72–78: Anonymous – Regula de monocordo (regdem)

301: Anonymous – [Mensura fistularum] (anoprir)

300: Anonymous – [Mensura instrumenti organici] (anomenr)

301: Anonymous – Monochordi mensura (anomonr)

ff. Air–Cviv: Petrus Aaron – Libri tres de institutione harmonica, liber primus (aarih1)

10:89–141: René Descartes – Compendium musicae (descom)

10:151–69: René Descartes – Correspondance (descor)

30–122 (even): Iohannes Aegidius Zamorensis – Liber artis musicae (zamlib)

Martinus Agricola – Rudimenta musices (agrrud)

1–25: Alexander de Villa Dei – Carmen de musica cum glossis (vilcar)

379–80: Ludovicus Sanctus – Sentencia in musica sonora subiecti (ludsen)

19–112: Amerus – Practica artis musice (amepra)

111–29: Michael Keinspeck – Lilium musicae planae (keinlil)

18–24: Anonymous – De cantu organico (aganoco)

6–10: Anonymous – Tractatus de musica (aganont)

10–12: Nicolaus de Senis – Tractatus de musica (nictra)

2–62: Anonymous II – Tractatus de discantu (anotdd)

Georgius Anselmus – De musica (ansdem)

1–72: Aribo – De musica (aridem)

53–135: Aurelianus Reomensis – Musica disciplina (aurmd)

136–53: Aurelianus Reomensis – Musica disciplina, cap. VIII-XVI (aurmdap)

50–54: Anonymous – De modis musicis (anodm)

26–106 (even only): Anonymous – Commemoratio brevis de tonis et psalmis modulandis (anocbt)

124–258 (even–numbered pages only): Anonymous – Ars cantus mensurabilis mensurata per modos iuris (ano5acm)

731–62: Prosdocimo de' Beldomandi – Tractatus musice speculative (prospe)

180–99: Anonymous – [Tractatus de musica] (anopro)

63–128: Ladislaus de Zalka – [Musica] (szamus)

151–61: Anonymous – Tractatus (becano)

3–79: Johannes de Muris – Ars practica mensurabilis cantus secundum Iohannem de Muris (Recensio A) (murarspa)

97–121: Johannes de Muris – Ars practica mensurabilis cantus secundum Iohannem de Muris (Recensio B) (murarspb)

14–26: Anonymous – Dulce ingenium (Versio Parisiensis et Brugensis) (anodul)

27–43: Anonymous – Dulce ingenium (Versio Pragensis) (anodul2)

68–70: Anonymous – Quomodo organice moduletur (anoquoo)

40–67: Frutolfus – Breviarium de musica, capitulum XI (frubrec)

27, 42–55, 59, 61, 65, 67, 71, 73, 75, 77, 84–85, 91–92, 95, 103–4,111–14, and 116–19: Berno Augiensis – De mensurando monochordo (berndem)

31–37: Berno Augiensis – Interpolationen (bernint)

1–17: Fredericus Beurhusius – Musicae rudimenta e pleniore eius descriptione itemque exempla quaedam facilia ad puerilem exercitationem e bonis auctoribus, Libellus primus de sonis (beumus1)

1–68: Fredericus Beurhusius – Erotematum musicae liber primus (beuero1)

21–24: Anonymous – [Tractatus de organo] (anoorg)

1–72: Anicius Manlius Severinus Boethius – De institutione arithmetica, liber primus (boeari1)

177–225: Anicius Manlius Severinus Boethius – De institutione musica, liber primus (boemus1)

Bonaventura da Brescia – Brevis collectio artis musicae (bonbre)

27–38: Anonymous – [Tractatus de musica] (anophil)

46–128: Anonymous – De modorum formulis et tonarius (anodmf)

136–37: Johannes Torkesey – Septem sunt species (torksep)

138–40: Anonymous – Circa modum discantandi (anocmd)

141: Anonymous – [De discantu et contranota] (anoddcs)

156–58: Nicolaus Burtius – Musices opusculum, tractatus secundus, capitulum VI (burmusx)

Joachim Burmeister – Musica poetica (burpoe)

Nicolaus Burtius – Musices opusculum, tractatus primus (burmus1)

Seth Calvisius – Exercitationes musicae duae (calvex)

105–16: Hieronymus Cardanus – De musica liber (cardem)

1–5: Egidius Carlerius – Tractatus de duplici ritu cantus ecclesiastici in divinis officiis et primo de simplici (carltra)

5–13: Egidius Carlerius – De cantu iubiliationis armonicae et utilitate eius (carlcan)

John Case – Apologia musices tam vocalis quam instrumentalis et mixtae (casapo)

94–98: Theodonus de Caprio – Regulae contrapuncti (theorc)

100–101: Anonymous – Ars et modus pulsandi organa secundum modum novissimum inventum per magistros musicos modernos (anoamp)

87–91: Aurelius Cassiodorus – Epistola XL: Boethio patricio Theodericvs rex (casletc)

142–50: Aurelius Cassiodorus – Institutionum liber secundus saecularium litterarum (casinst)

Censorinus – De die natali liber (cendie)

61–86: Censorinus – Fragmenta (cenfra)

85–88, 90–97, 99–111, 113–18, 120–30, 133–45, 147–74, 176–81, and 183–212: Anonymous – Alia musica (aliamu)

ff. Air–Bir: Johannes Cochlaeus – Tetrachordum musices, tractatus primus (coctet1)

Adrian Petit Coclico – Compendium musices (coccom)

1:1–89: Ieronimus de Moravia – Tractatus de musica (iertra1)

1:94–97: Anonymous – Discantus positio vulgaris (dispos)

1:97–117: Johannes de Garlandia – De musica mensurabili positio (gardemp)

1:117–36: Franco – Ars cantus mensurabilis (fraars)

1:136–39: Petrus Picardus – Musica mensurabilis (petmus)

1:154–56: Franco – Compendium discantus (fracom)

1:157–75: Magister de Garlandia – Introductio musice (garint)

1:175–82: Johannes de Garlandia – De musica mensurabili (gardem)

1:182–250: Walter Odington – De speculatione musice (odides)

1:251–81: Aristotle – Tractatus de musica (aritra)

1:282–92: Petrus de Cruce Ambianensis – Tractatus de tonis (pettra)

1:292–96: Johannes dictus Ballox – Abreviatio Magistri Franconis (balabr)

1:296–302: Anonymous 1 – Tractatus de consonantiis musicalibus (ano1tra)

1:303–19: Anonymous 2 – Tractatus de discantu (ano2tra)

1:319–27: Anonymous 3 – De cantu mensurabili (ano3dec)

1:327–64: Anonymous 4 – De mensuris et discantu (ano4dem)

1:364–65: Anonymous – De sinemenis (anodes)

1:366–68: Anonymous 5 – De discantu (ano5ded)

1:369–77: Anonymous 6 – Tractatus de figuris sive de notis (ano6tra)

1:378–83: Anonymous 7 – De musica libellus (ano7dem)

1:383–403: Robertus de Handlo – Regulae (hanregu)

1:403–48: Johannes Hanboys – Summa (hansuma)

2:1–73: Regino Prumiensis – Tonarius (regton)

2:74–78: Hucbald – De organo (hucorg)

2:78–115: Guido d'Arezzo – De modorum formulis et cantuum qualitatibus (guimod)

2:115–16: Guido d'Arezzo – De sex motibus vocum ad se invicem et dimensione earum (guisex)

2:117–49: Odo – Intonarium (odoint)

2:150–92: Abbot Guido – Regulae de arte musica (abguram)

2:193–279: Jacobus Leodiensis – Speculum musicae, Liber sextus (jacsm6a)

2:383–433: Jacobus Leodiensis – Speculum musicae, Liber septimus (jacsm7)

2:434–83: Monachus Carthusiensis – Tractatus de musica plana (cartra)

2:484–98: Anonymous – Tractatus de musica plana et organica (anomupo)

3:1–12: Marchetus de Padua – Brevis compilatio in arte musicae mensuratae (marbre)

3:12–13: Johannes de Garlandia – Optima introductio in contrapunctum pro rudibus (garopt)

3:13–22: Philippe de Vitry – Ars nova (vitarsn)

3:23–27: Philippe de Vitry – Ars contrapunctus (vitarsc)

3:28–35: Philippe de Vitry – Ars perfecta in musica (vitarsp)

3:35–46: Philippe de Vitry – Liber musicalium (vitlibm)

3:46–58: Johannes de Muris – Libellus cantus mensurabilis (murlib)

3:59–68: Johannes de Muris – Ars contrapuncti (murarsc)

3:68–113: Johannes de Muris – Ars discantus (murarsd)

3:113–15: Henricus de Zelandia – Tractatus de cantu perfecto et imperfecto (zeltra)

3:116–18: Phillipotus Andrea – De contrapuncto quaedam regulae utiles (andcon)

3:118–24: Philippus de Caserta – Tractatus de diversis figuris (castra)

3:124–28: Aegidius de Murino – Tractatus cantus mensurabilis (aegtra)

3:129–77: Johannes Verulus de Anagnia – Liber de musica (verlib)

3:177–93: Theodoricus de Campo – De musica mensurabili (camdem)

3:193–99: Prosdocimo de' Beldomandi – Tractatus de contrapuncto (protrac)

3:200–228: Prosdocimo de' Beldomandi – Tractatus practice de musica mensurabili (protrap1)

3:228–48: Prosdocimo de' Beldomandi – Tractatus practice de musica mensurabili ad modum italicorum (protrap2)

3:248–58: Prosdocimo de' Beldomandi – Libellus monocordi (prolib)

3:258–61: Prosdocimo de' Beldomandi – Brevis summula proportionum (probre2)

3:262–64: Nicasius Weyts, Carmelite – Regule (weyreg)

3:264–73: Christianus Sadze de Flandria – Tractatus modi, temporis et prolationis (flatra)

3:273–307: Guilielmus monachus – De preceptis artis musice et pratice compendiosus libellus (monpre)

3:328–30: Johannes Hothby – Regulae super proportionem (hotregp)

3:330–32: Johannes Hothby – De cantu figurato (hotdec)

3:333–34: Johannes Hothby – Regulae supra contrapunctum (hotregc)

3:334–64: Anonymous I – De musica antiqua et nova (ano1dem)

3:364–70: Anonymous II – De musica antiqua et nova (ano2dem)

3:370–75: Anonymous III – Compendiolum artis veteris ac novae (ano3com)

3:376–79: Anonymous IV – Compendium artis mensurabilis tam veteris quam novae (ano4com)

3:379–98: Anonymous V – Ars cantus mensurabilis (ano5ars)

3:398–403: Anonymous VI – De musica mensurabili (ano6dem)

3:404–8: Anonymous VII – De diversis maneriebus in musica mensurabili (ano7ded)

3:409–11: Anonymous VIII – Regulae de contrapuncto (ano8reg)

3:413–15: Anonymous X – De minimis notulis (ano10dem)

3:416–75: Anonymous XI – Tractatus de musica plana et mensurabili (ano11tra)

3:475–95: Anonymous XII – Tractatus de musica (ano12tra)

4:1–16: Johannes Tinctoris – Expositio manus (tinexp)

4:16–41: Johannes Tinctoris – Liber de natura et proprietate tonorum (tinnat)

4:41–46: Johannes Tinctoris – Tractatus de notis et pausis (tintran)

4:46–53: Johannes Tinctoris – Tractatus de regulari valore notarum (tintrar)

4:54–66: Johannes Tinctoris – Liber imperfectionum notarum musicalium (tinlib)

4:66–70: Johannes Tinctoris – Tractatus alterationum (tintralt)

4:70–76: Johannes Tinctoris – Tractatus super punctis musicalibus (tintrap)

4:298–313: Johannes Gallicus dictus Carthusiensis seu de Mantua – Ritus canendi vetustissimus et novus, liber primus (galrit1)

4:345–72: Johannes Gallicus dictus Carthusiensis seu de Mantua – Vera quamque facilis ad cantandum atque brevis introductio (galrits1)

4:200–206: Anonymous – Quatuor Principalia I (quaprib1)

4:76–119: Johannes Tinctoris – Liber de arte contrapuncti, Liber primus (tincon1)

4:153–77: Johannes Tinctoris – Proportionale musices (tinpro)

4:177–91: Johannes Tinctoris – Diffinitorium musicae (tindif)

4:191–95: Johannes Tinctoris – Complexus effectuum musices (tincom1)

4:195–200: Johannes Tinctoris – Complexus viginti effectuum nobilis artis musices (tincom2)

4:396–409: Johannes Gallicus dictus Carthusiensis seu de Mantua – Incipit praefationcula in tam admirabilem quam tacitam et quietissimam novorum concinentiam (galtra)

4:409–21: Johannes Gallicus dictus Carthusiensis seu de Mantua – Tacita nunc inchoatur stupendaque numerorum musica (gallib)

4:421–33: Antonius de Luca – Ars cantus figurati (lucars)

4:434–69: Anonymous – Tractatus de musica figurata et de contrapuncto ab anonymo auctore (tradem)

226–43: Anonymous – Ad organum faciendum (adorfa)

247–53: Anonymous – Discantus vulgaris positio (disvul)

255–58: Gui de Chalis – Musica (guicha)

262–73: Anonymous – De arte discantandi (artdis)

274–94: Anonymous – Quaedam de arte discantandi (anoqua)

36–57: Anonymous – Compendium musices (anocmu)

234–42: Anonymous – Tractatus de musica (anoleu)

114–17: Henricus de Zeelandia – Tractatus de cantu perfecto et imperfecto (zeltrac)

132–39: Anonymous – Terminorium musicalium diffinitorium anonymi (anoter)

79–80: Anonymous – [Capitulum de vocibus applicatis verbis] (anocap)

24–59: Antonius de Luca – Ars cantus figurati (lucarsc)

62–63: Anonymous – Capitulum de quattuor mensuris (anocqm)

66–73: Anonymous – Tractatulus de mensurationum (anotram)

76–81: Anonymous – Compendium breve de proportionibus (anocbp)

84–92: Anonymous – Tractatulus prolationum cum tabulis (anotpt)

469–535: Martianus Capella – De nuptiis Philologiae et Mercurii, Liber IX, De harmonia (marden9)

68–158 (even–numbered pages only): John Dygon – Proportiones practicabiles secundum Gaffurium (dygonpro)

Heinrich Eger von Kalkar – Cantuagium (egecan)

45–49 and 111–15: Anonymous – Ad organum faciendum (adorfac)

149–50: Anonymous – [Ad organum faciendum] (adorfba)

159–60: Anonymous – [Ad organum faciendum] (adorfbb)

175: Anonymous – [Ad organum faciendum] (adorfbr)

187–88: Anonymous – [Tractatus de organo] (anomont)

30–246: Anonymous – Berkeley Manuscript (berman)

ff. air–aviir: Nicolaus Wollick – Enchiridion musices, liber I (wolenc1)

213–50: Gallus Dressler – Praecepta musicae poeticae (drepra)

ff. A1r–L1v: Heinrich Faber – Ad musicam practicam introductio (fabmus1)

Heinrich Faber – Compendiolum musicae pro incipientibus (fabcom)

ff. f1r–h6v: Jacobus Faber Stapulensis – Elementa musicalia (stapmus)

70–284 (even only): Johannes de Muris – Musica speculativa (murmsp)

77–289 (odd only): Johannes de Muris – Musica speculativa (murmspe)

290–91: Johannes de Muris – Musica speculativa (murisapp)

292–301: Johannes de Muris – Musica speculativa (murisw3)

21–31: Al-Farabi – De scientiis (farscie)

44–48: Al-Farabi – De ortu scientiarum, Dictio de cognoscenda causa unde orta est ars musice (farort)

Favonius Eulogius – Disputatio de somnio Scipionis (favdis)

76–113: Johannes Vogelsang – Musicae rudimenta (vogmus)

64–94: Heinrich Saess – Musica plana atque mensurabilis una cum nonnullis solmisationis regulis certissimis insertis summa diligentia compendiose exarata (saemus)

44–54: Anonymous – [Tractatus de musica] (anomic)

14–19: Anonymous – [Musica disciplina] (anomusd)

65–157: Johannes Oridryus – Practicae musicae utriusque praecepta brevia (oripra)

157–88: Johannes Valendrinus – Opusculum monacordale (valmon)

193–94: Anonymous – Regulae generales de compositione cantus (anorege)

Hermann Finck – Practica musica (finpra)

Oronce Finé – Epithoma musice instrumentalis ad omnimodam Hemispherii seu Luthine et theoricam et practicam (finepi)

Ludovicus Folianus – Musica theorica, sectio prima (folmus1)

23–82: Franco – Ars cantus mensurabilis (fraacm)

2:i–lxxiv: Anonymous – Tonale secundum usum Sarum et universalis ecclesie (sarton)

32–78: Johannes Boen – Musica (boenmus)

69–70: Notker – Quid singulae litterae (notlet)

Johannes Frosch – Rerum musicarum opusculum rarum ac insigne (frorer)

26–113: Frutolfus – Breviarium de musica (frubre)

113–83: Frutolfus – Tonarius (fruton)

3–80: Fabius Planciades Fulgentius – Mitologiarum libri tres (fulmit)

13–208: Franchino Gaffurio – Extractus parvus musice (gafext)

Franchino Gaffurio – De harmonia musicorum instrumentorum opus, liber primus (gafhar1)

Franchino Gaffurio – Apologia adversus Ioannem Spatarium et complices musicos Bononienses (gafapo)

Franchino Gaffurio – Practica musice (gafpm1)

Franchino Gaffurio – Theorica musice, liber primus (gaftm1)

11–37: Anonymous – Tractatulus de cantu mensurali seu figurativo musice artis (anotra)

124–26: Anonymous – [Tractatulus de notis] (ano1omn)

127–30: Anonymous – [Tractatulus de notis] (ano2omn)

15: Anonymous – Capitulum de semibrevibus (anosemi)

19–39: Guido Frater – Ars musice mensurate (guifar)

43–47: Petrus de Amalfia – Compendium artis motectorum Marchecti (pamcom)

51–52: Anonymous – Fragmentum de mensuris (anofram)

55: Anonymous – [Fragmentum de proportionibus] (anofrap)

59: Anonymous – Capitulum de modo accipiendo (anocapm)

63–75: Anonymous – Musice compilatio (anomusc)

79–85: Anonymous – Tractatulus de figuris et temporibus (anofit)

29–52: Jacobus Theatinus – De partitione licterarum monocordi (thepar)

28–30: Anonymous – Circa modum discantandi (anocmdg)

1:1–4: Pambo, Abbas – [Gerontikon] (pamger)

1:4–5: Anonymous – Monacho qua mente sit psallendum (monpsal)

1:5–8: Anonymous – Instituta patrum de modo psallendi sive cantandi (patpsal)

1:9–14: Nicetius, episcopus – De laude et utilitate spiritualium canticorum, quae fiunt in ecclesia Christiana; seu de psalmodiae bono (niclau)

1:15–19: Aurelius Cassiodorus – Institutiones musicae, seu excerpta ex eiusdem libro, de artibus ac disciplinis liberalium litterarum (casins)

1:20–25: Isidorus Hispalensis – Sententiae de musica (isisen)

1:26–27: Flaccus Alcuinus – Musica (alcmus)

1:27–63: Aurelianus Reomensis – Musica disciplina (aurmus)

1:63–94: Remigius Altisiodorensis – Musica (remmus)

1:95–102: Notker – De musica (notdem)

1:103–25: Hucbald – De harmonica institutione (huchar)

1:125–52: Anonymous – Alia musica (alimus)

1:152–73: Anonymous – Musica enchiriadis (musenc)

1:173–212: Anonymous – Scholia enchiriadis de arte musica (schenc)

1:213–29: Anonymous – Commemoratio brevis de tonis et psalmis modulandis (anocomb)

1:230–47: Regino Prumiensis – Epistola de harmonica institutione (reghar)

1:247–50: Odo – Tonarium (odoton)

1:251–64: Odo – Dialogus de musica (ododia)

1:265–84: Odo – De musica (odomus)

1:285–95: Odo – Regulae de rhythmimachia (odorhy)

1:296–302: Odo – Regulae super abacum (odoreg)

1:303: Odo – Quomodo organistrum construatur (odoorg)

1:303–12: Adelboldus – Musica (ademus)

1:312–30: Bernelinus – Cita et vera divisio monochordi in diatonico genere (berndiv)

1:330–38: Anonymous I – Musica (ano1mus)

1:338–42: Anonymous II – Tractatus de musica (ano2tdm)

1:343–44: Anonymous III – Fragmentum musices (ano3fra)

1:344–48: Anonymous – Mensura monochordi Boetii (anomen)

2:2–24: Guido d'Arezzo – Micrologus (guimic)

2:25–34: Guido d'Arezzo – Regulae rhythmicae in antiphonarii sui prologum prolatae (guirr)

2:34–42: Guido d'Arezzo – Prologus in antiphonarium (guipran)

2:43–50: Guido d'Arezzo – Epistola Guidonis Michaeli monacho de ignoto cantu directa (guiepi)

2:50–55: Guido d'Arezzo [Ps.] – Tractatus Guidonis correctorius multorum errorum, qui fiunt in cantu gregoriano in multis locis (anotra2)

2:55–61: Anonymous – Quomodo de arithmetica procedit musica (anoquo)

2:62–79: Berno Augiensis – Musica seu Prologus in Tonarium (bernpro)

2:79–91: Berno Augiensis – Tonarius (bernton)

2:91–114: Berno Augiensis – De varia psalmorum atque cantuum modulatione (bernvar)

2:114–24: Berno Augiensis – De consona tonorum diversitate (berndec)

2:125–49: Hermannus Contractus – Musica (hermusg)

2:149–53: Hermannus Contractus – Versus ad discernendum cantum (herver)

2:154–82: Willehelmus Hirsaugensis – Musica (wilmu)

2:183–96: Theogerus Metensis – Musica (themus)

2:197–230: Aribo – Musica (arimus)

2:230–65: Johannes Affligemensis – Musica (johmus)

2:265–77: Anonymous – Tonale Sancti Bernardi (berton)

2:277–78: Gerlandus – Fragmenta de musica (gerfra)

2:279–82: Eberhardus Frisingensis – Tractatus de mensura fistularum (ebetra)

2:283–87: Anonymous – De mensura fistularum in organis (anofis)

2:287–98: Engelbertus Admontensis – De musica, tractatus primus (engdem1)

2:370–93: Iohannes Aegidius Zamorensis – Ars musica (zamlam)

3:1–16: Franco – Ars cantus mensurabilis (fraarsc)

3:16–64: Elias Salomo – Scientia artis musicae (salsci)

3:64–70: Marchetus de Padua – Lucidarium, tractatus primus (marlu1)

3:121–88: Marchetus de Padua – Pomerium (marpom)

3:190–248: Johannes de Muris – Summa (mursum)

3:249–83: Johannes de Muris – Tractatus de musica (murmus)

3:284–86: Johannes de Muris – De numeris, qui musicas retinent consonantias, secundum Ptolomaeum de Parisius (murden)

3:286–91: Johannes de Muris – Tractatus de proportionibus (murdep)

3:292–301: Johannes de Muris – De practica musica, seu de mensurabili (murpra)

3:301–8: Johannes de Muris – Quaestiones super partes musicae (murquae)

3:308–12: Johannes de Muris – De tonis (murton)

3:312–15: Johannes de Muris – Ars discantus data a Magistro Iohanne de Muris abbreviando (murad)

3:316–18: Arnulphus de Sancto Gilleno – Tractatulus de differentiis et generibus cantorum (arntra)

3:319–29: Ioannes Keck – Introductorium musicae (keckinmu)

3:329–41: Adamus de Fulda – Musica, pars prima (fulmus1)

3:382–96: Anonymous – Constitutiones capellae pontificiae (anocon)

3:398–402: Metrophanes Critopulus, hieromonachus – Epistola de vocibus in musica liturgica Graecorum usitatis (criepi)

9–72: Johannes de Szydlow – Musica (szydmus)

29–56: Anonymous – De musica mensurabili (anodem)

65–79: Anonymous – De semibrevibus caudatis (anosem)

39–51: Anonymous – De plana musica breve compendium (anodmp)

1–64: Henricus Glareanus – Dodecachordon, Liber primus (gladod1)

2:293–345/11: Anonymous – Ars organi (arsorg)

53–93: Johannes de Muris – Speculum musicae, Liber primus (murspe)

94–96: Robert Kilwardby – De ortu et divisione philosophiae, Capitulum XVIII, De ortu et subiecto et proprio fine ac definitione (kildeo)

21–41: Anonymous – Epistola Sancti Bernardi De revisione cantus Cisterciensis, et Tractatus cantum quem Cisterciensis Ordinis ecclesiae cantare (berepi)

Guillaume Guerson – Utillissime musicales regule (gueut)

58–81: Guido d'Arezzo – Prologus in antiphonarium (guipro)

92–133: Guido d'Arezzo – Regulae rhythmicae (guireg)

79–234: Guido d'Arezzo – Micrologus (guimicr)

2:1–137: Guido de Sancto Dionysio – Tractatus de tonis (guiston)

15–59: Guilielmus monachus – De preceptis artis musice et pratice compendiosus libellus (monprec)

1–8: Guillermus de Podio – Ars musicorum liber VI (guiars6)

96–102: Dominicus Gundissalinus – De divisione philosophiae, Liber decimus, "De musica" (gunddiv)

86–118: Vincent of Beauvais – Speculum doctrinale, liber XVII, capitula X-XXXV (vinspe)

69–94: Anonymous – [Ars musica] (anoarsmu)

101–8: Anonymous – Practica musicae artis mensurabilis (anopra)

110–13: Anonymous – [Tractatulus de musica] (anocadi)

70–71: Anonymous – Nota regulas super tactus (anonot)

354–55 and 358–59: Anonymous – De musica (anoqm)

420–21: Al-Farabi – De scientiis (farsci)

425: Anonymous – [Rhythmica] (anopes)

120–22, 124–25, 127, 129–31: Hieronymus [Ps.] – Epistola ad Dardanum (hierinst)

80–178: Robertus de Handlo – Regule (hanreg)

180–344: Johannes Hanboys – Summa (hansum)

362–64 (even–numbered pages only): Anonymous – Metrologus (anometr)

7–9: Anonymous – Volens facere clavicordium (anovol)

5–6: Anonymous – De organo mediolanensi (anoorme)

50–51: Anonymous – [Tractatus de organo] (anomon)

119–229 (odd only): Anonymous – Alia musica (alimusi)

35–53: Heinricus Augustensis – Musica (heimus)

412–21: Petrus de Alvernia – Quodlibet VI: Quaestiones 16 et 17 (petquo)

16–78: Herbenus Traiectensis – De natura cantus ac miraculis vocis (herden)

Hermannus Contractus – Musica (hermuse)

Hermannus Contractus – Musica (hermusb)

Sebaldus Heyden – De arte canendi, ac vero signorum in cantibus usu, liber primus (heydac1)

3–179: Ieronimus de Moravia – Tractatus de musica (iertdm1)

189–94: Anonymous – Discantus positio vulgaris (dispovu)

194–230: Johannes de Garlandia – De musica mensurabili positio (gardmmp)

230–59: Franco – Ars cantus mensurabilis (fraarscm)

259–63: Petrus Picardus – Musica mensurabilis (petmusm)

11–75: Willehelmus Hirsaugensis – Musica (wilmus)

165–69: Anonymous – [Glossae in Micrologum] (anooxa)

170–71: Anonymous – [Glossae in Micrologum] (anooxp)

2–304, 308–20, 330–410 (even pages only): Anonymous – Commentum in musicam Boethii (anooxo)

414–32 (even pages only): Anonymous – Comendacio artis musicae secundum quendam Gregorium (anooxoc)

Eucharius Hofman – Doctrina de tonis seu modis musicis (hofdoc)

41–67 (odd): Anonymous – Ad organum faciendum (adorf)

138–39: Odo – Dialogus de musica, prologus (odopro)

94–95: Anonymous – [Tractatus de cantu mensurabili] (anocant)

143–52: Christiaan Huygens – Novus cyclus harmonicus (huynov)

1:ff. K6r–L2r: Isidorus Hispalensis – De musica (isidemu)

3–142: Jacobus Leodiensis – Speculum musicae, Liber primus (jacsp1a)

1–128: Jacobus Leodiensis – Speculum musicae, Liber secundus (jacsp2a)

1–89: Jacobus Leodiensis – Speculum musicae, Liber tertius (jacsp3a)

1–126: Jacobus Leodiensis – Speculum musicae, Liber quartus (jacsp4)

1–90: Jacobus Leodiensis – Speculum musicae, Liber quintus (jacsp5a)

1–161: Jacobus Leodiensis – Speculum musicae, Liber sextus (jacsp6a)

1–98: Jacobus Leodiensis – Speculum musicae, Liber septimus (jacsp7)

21–46: Jacobus Leodiensis – Tractatus de consonantiis musicalibus (jacdcm)

47–87: Jacobus Leodiensis – Tractatus de intonatione tonorum (jacdit)

88–122: Jacobus Leodiensis – Compendium de musica (jaccdm)

69–78: Odalschalchus – Registrum tonorum (odareg)

43–200: Johannes Affligemensis – De musica cum tonario (johdem)

42–232 (even–numbered pages only): Johannes Ciconia – Nova musica, liber primus de consonantiis (cicnm1)

412–46 (even–numbered pages only): Johannes Ciconia – De proportionibus (cicprop)

Johannes de Olomons – Palma choralis (johpal)

13–21: Johannes dictus Balloce – Abreviatio Magistri Franconis (balabm)

27–36: Anonymous – Compendium musicae mensurabilis artis antiquae (anocmm)

49–58: Anonymous – Compendium musicae mensurabilis artis antiquae (anocomm)

69–73: Anonymous – Tractatus artis antiquae cum explicatione mensurae binariae (anotaa)

Johannes Gallicus – Ritus canendi [Pars prima] (galrc1)

Johannes Gallicus – Ritus canendi [Pars secunda] (galrc2)

43–44: Johannes Hothby – [De arte contrapuncti] (hotdac)

63–69: Johannes Hothby – Regulae contrapuncti (hotrc)

101–3: Johannes Hothby – Regulae supra contrapunctum (hotrsc)

19–24: Johannes Hothby – Sequuntur regulae cantus mensurati eiusdem Ottobi (hotrcm1)

27–31: Johannes Hothby – De cantu figurato secundum eundem fratrem Johannem Hothbi Carmelitam (hotdcf1)

39–44: Johannes Hothby – Regulae Magistri Johannis Hoctobi anglici cantus figurati (hotdcf2)

51–59: Johannes Hothby – Regulae cantus mensurati secundum Johannem Otteby (hotrcm2)

74–98: Thomas Walsingham – Regulae Magistri Thomae Walsingham de figuris compositis et non compositis, et de cantu perfecto et imperfecto, et de modis incipiunt (walreg)

17–21: Johannes Hothby – Regulae super proportiones (hotrsp)

36–42: Johannes Hothby – De proportionibus (hotdep)

44–58: Anonymous – Tractatus de contrapuncto (anotdc)

410–12: Anonymous – Ars musice (wfanon2)

69–120: Johannes de Grocheo – Theoria (grothe)

34–38: Anonymous – Compendium totius artis motetorum (wfanon3)

194–226: Anonymous – Tractatus cuiusdam monachi de musica (wfanon1)

505–34: Petrus dictus Palma ociosa – Compendium de discantu mensurabili (petcom)

331–45: Anonymous – Tractatus de musica mensurabili (wfanon4)

1–24: Bartholomeus Ramus de Pareia – Musica practica, prima pars, tractatus primus (rammp1t1)

15–46: Johannes Boen – Ars (musicae) (boenmu)

2–330 (even only): Johannes de Muris – Musica speculativa (murmusi)

332: Franchino Gaffurio – [Prefatio de Johannis de Muris Musica speculativa] (murmgaf)

332–34: Conradus Noricus – [Prefatio de Johannis de Muris Musica speculativa] (murmnor)

335–44: Johannes de Muris – Musica Johannis de Muris abbreviata (murmusab)

47–107: Johannes de Muris – Notitia artis musicae (murnot)

119–45: Johannes de Muris – Compendium musicae practicae (murcom)

147–59: Petrus de Sancto Dionysio – Tractatus de Musica (psdtra)

160–66: Anonymous – De figuris (anodef)

17–57: Johannes Hothby – Excitatio quaedam musicae artis per refutationem (hotexc)

61–76: Johannes Hothby – Dialogus in arte musica (hotdia)

1:65–104: Johannes Tinctoris – Liber de natura et proprietate tonorum (tinldn)

1:109–20: Johannes Tinctoris – Tractatus de notis et pausis (tintdn)

1:125–38: Johannes Tinctoris – Tractatus de regulari valore notarum (tintdr)

1:143–67: Johannes Tinctoris – Liber imperfectionum notarum musicalium (tinlimp)

1:173–79: Johannes Tinctoris – Tractatus alterationum (tintral)

1:185–98: Johannes Tinctoris – Tractatus de punctis (tintdp)

2:11–89: Johannes Tinctoris – Liber de arte contrapuncti, Liber primus (tincpt1)

2:31–57: Johannes Tinctoris – Expositio manus (tinem)

2:165–77: Johannes Tinctoris – Complexus effectuum musices (tincom)

2a:9–60: Johannes Tinctoris – Proportionale musices (tinprom)

43–206: Johannes Wylde – Musica manualis cum tonale (wylmus)

261–64: Paulus Paulirinus – Tractatus de musica (pautra)

2:1–199 (odd only): Aurelianus Reomensis – Musica disciplina (aurmusd)

42–45: Anonymous – [Lectio Guidonis] (guilec)

110–19: Oliva de Ripoll – [Breviarium de musica] and [Versus monocordi] (olibrev)

362–96: Guillermus de Podio – Enchiridion de principiis musice discipline (guienc)

297–308: Bartolomé de Quevedo – Commentary on De vita et honestate clericorum of Pope John XXII (quecom)

144–47: Anonymous – Cartula de cantu plano (anocar)

57–61: Anonymous – [Miscellanea] (anospi)

326–29: Anonymous – Ars musice (anoam)

193–96: Anonymous – Species plani cantus sunt terdecim (anospe)

93–97: Anonymous – Contrapunctus (anovic)

269–71: Johannes Tinctoris – De inventione et usu musicae (tininv4)

27–46: Johannes Tinctoris – De inventione et usu musicae (tininv)

24–27: Joachimus Wolterstorpius – De musica (woldem)

73–85: Anonymous – [De musica mensurata] (anobri)

46–47, 50–53, 55–60, 138, 144, 146, 167, and 224: Robert Kilwardby – De ortu scientiarum (kildos)

184–244: Conrad von Zabern – Novellus musicae artis tractatus (connov)

245–59: Conrad von Zabern – Opusculum de monochordo (conmon)

260–82: Conrad von Zabern – De modo bene cantandi (concan)

72–91: Erasmus Heritius – Musica speculativa (herspe)

62–65: Raphael Brandolinus Lippus, junior – De musica et poetica opusculum in quo Conradolum Stangam prothonotarium apostolicum perpetua oratione alloquitur (lipdem)

67–78: Anonymous – Fragmenta musica (anofra)

87–89: Anonymous – De cantibus quae supra modum intenduntur vel remittuntur (anocan)

118–65: Ugolino Urbevetanis – Musica disciplina (ugomus)

185–94: Anonymous – Fragmenta musica (anofra2)

241–48: Anonymous – Musicae liber (anomus)

275–79, 281–84, 286–88: Anonymous – Fragmenta musica (anofra3)

293–94, 297–303: Bertrandus Prudentius – De arte musica (bertarm)

308–38: Nicolaus Capuanus – Compendium musicale (niccom)

343: Aurelianus Reomensis – Musica disciplina (aurepi)

344–45: Juvenal Ancina Fossaniensis – De musica (ancmus)

346–50: Anonymous – De musica (anofra4)

355–62: Anonymous – Tractatus de musica (anofra5)

365–72: Rabanus Maurus – De origine rerum (maumus)

375–83: Johannes Ciconia – Nova musica (cicnm)

385–88: Marchetus de Padua, Ciconia, and Anonymous – Lucidarium, Regulae de tonis, Tractatus figurarum, and Nova musica (lafvar)

393–407: Joannes Presbyter – De musica antica et moderna (joamus)

423–28: Anonymous – De musica (anomus2)

474–75: Anonymous – Vita Sancti Remigii (remvit)

483–84: Anonymous – Ars musica (anofra6)

496: Anonymous – Fragmentum (anofra7)

Lampadius – Compendium musices (lamcom)

22–84: Regino Prumiensis – De harmonica institutione (regdhi)

137–294 and (left column only) 303–5: Regino Prumiensis – Tonarius (regtona)

Jerzy Liban – De accentuum ecclesiasticorum exquisita ratione (libdea)

Jerzy Liban – De musicae laudibus oratio (libdem)

Jerzy Liban – De philosophiae laudibus oratio (libdep)

Johannes Lippius – Synopsis musicae novae omnino verae atque methodicae universae (lipmus)

Nicolaus Listenius – Musica (lismus)

Luca Lossio – Erotemata musicae practicae (losero)

Ottmar Luscinius – Musurgia seu praxis musicae (lusmus)

120–25: Anonymous – Tonale (anotonn)

465–570: Macrobius Ambrosius Theodosius – Commentarium in somnium Scipionis (maccom1)

642–52: Marcus Tullius Cicero – Somnium Scipionis (maccomss)

68–106: Marchetus de Padua – Lucidarium, tractatus primus (marluc1)

31–210: Marchetus de Padua – Pomerium (marpome)

2–34: Marcin Kromer – De musica figurata (krodem)

Claude Martin – Elementorum musices practicae (marele)

3–129: Girolamo Mei – De modis (meimod)

2:165–98: Martianus Capella – De nuptiis Philologiae et Mercurii, Liber IX, De musica (mardnp9)

13–21: Anonymous – De musica et tonis tractatus (metano1)

61–70 partim: Anonymous – [Regulae de musica] (metano2)

70–78 partim: Anonymous – Ars musica (metano3)

36–47: Anonymous – Ars et practica cantus figurativi (anoapc)

50–52: Anonymous – [Regulae cantandi contrapunctum] (anorcc)

54–55: Anonymous – De contrapuncto (anodcon)

58–65: Anonymous – De vera et compendiosa seu regulari constructione contrapuncti et de pluribus viciis a pluribus ignaris comittendis seu commissis ab autoribus prohibitis (anodvc)

68–72: Anonymous – De contrapuncto plano (anodcp)

74–76: Anonymous – [Regulae de contrapuncto] (anordc)

78–79: Anonymous – De consonantia et dissonantia (anodcd)

82–83: Anonymous – De formatione contrapuncti tales dantur regulae (anodfc)

86–87: Anonymous – [Excerpta de consonantiis et de contrapuncto] (anoexc)

90–96: Anonymous – [Regulae contrapuncti] (anorcpt)

98–115: Anonymous – Iuxta artem conficiendi [compositiones] (anoiux)

47–71: Anonymous – [Tractatus de contrapuncto et de musica mensurabili] (anotdcdm)

7–9: Anonymous – [Compilatio Caroloruhensis] (anocc)

10–12: Anonymous – De numeris musicis et de consonantiis (anomk)

56–62: Anonymous OP – Tractatus de musica (anoptra)

387–88: Guillaume Dufay – Musica (dufmus)

62–67: Petrus Picardus – [Musica mensurabilis] (petmusup)

67–82: Anonymous – [Tractatus de musica mensurata et musica falsa] (anoups2)

82–86: Anonymous – [Tractatus brevis de musica mensurata] (anoups3)

Stefan Monetarius – Epitoma utriusque musicae practicae (monepi)

927–31: Marchetus de Padua – [Compendium] (marcom)

12–24: Nicolaus de Cosil – [Tractatus de solmisatione] (costra)

79–80: Anonymous – Cologne Organum Treatise (colorg)

172–73: Anonymous – [Versus de tonis] (anovdt)

173–74: Anonymous – [Versus de musica] (anovdm)

5–7: Dietricus – Regulae super discantum et ad discernendum ipsas notas discantus (diereg)

180–96: Gobelinus Person – Tractatus musicae scientiae (pertra)

287–88 and 291–92: Anonymous – Regule contrapuncti secundum usum Regni Siciliae (anoreg)

42–146: Walter Odington – Summa de speculatione musice (odisum)

150–225: Odorannus de Sens – Liber opusculorum, capitula V-VI (odosens)

ff. Air–Eijv: Andreas Ornithoparchus – Musice active micrologus liber primus (ornmus1)

139–211: Perseus and Petrus – Summa musice (pepesum)

89–103. Text copyright 1986: Anonymous – Tractatus de musica compendium cantus figurati (anocomp)

41–93: Anonymous – Tractatus cantus figurati (ano12tcf)

409–39: Anonymous – Liber musicae (anolibm)

498–510: János Czerey – [De musica plana] (czedmp)

426–27: Isidorus Hispalensis – Institutionum disciplinae (isinst)

32:1081–1100: Aurelius Augustinus – De musica, liber primus (augdem1)

63:1167–96: Anicius Manlius Severinus Boethius – De institutione musica, liber primus (boedim1)

69:570–73: Aurelius Cassiodorus – Epistola XL: Boethio patricio Theodericvs rex (casletp)

70:1208–12: Aurelius Cassiodorus – Institutiones musicae, seu excerpta ex eiusdem libro, de artibus ac disciplinis liberalium litterarum (casim)

82:163–69: Isidorus Hispalensis – De musica (isidem)

90:909–20: Beda [Ps.] – Musica theorica (bedmust)

90:919–38: Beda [Ps.] – Musica quadrata seu mensurata (bedmus)

111:495–500: Rabanus Maurus – De universo, liber XVIII, caput IV (maudeu)

131:931–64: Remigius Altisiodorensis – Musica (remmusi)

131:1171–78: Notker – [De musica] (notdemu)

132:483–502: Regino Prumiensis – De harmonica institutione (reghari)

132:905–29: Hucbald – De harmonica institutione (hucharm)

132:929–58: Anonymous – Alia musica (alimu)

132:957–82: Anonymous – Musica enchiriadis (musench)

132:981–1026: Anonymous – Scholia enchiriadis de arte musica (schen)

132:1025–42: Anonymous – Commemoratio brevis de tonis et psalmis modulandis (anocobr)

133:755–58: Odo – Tonarium (odoto)

133:757–74: Odo – Dialogus de musica (ododi)

133:773–96: Odo – De musica (odomu)

133:795–808: Odo – Regulae de rhythmimachia (odorh)

133:807–14: Odo – Regulae super abacum (odore)

133:815–16: Odo – Quomodo organistrum construatur (odoor)

140:1109–20: Adelboldus – Musica (ademusi)

141:379–406: Guido d'Arezzo – Micrologus (guimicro)

141:405–14: Guido d'Arezzo – Regulae rhythmicae in antiphonarii sui prologum prolatae (guirrh)

141:413–22: Guido d'Arezzo – Prologus in antiphonarium (guiprol)

141:423–32: Guido d'Arezzo – Epistola Guidonis Michaeli monacho de ignoto cantu (guiep)

141:431–36: Guido d'Arezzo [Ps.] – Tractatus Guidonis correctorius multorum errorum, qui fiunt in cantu gregoriano in multis locis (anotrac2)

141:435–44: Anonymous – Quomodo de arithmetica procedit musica (anoquom)

142:1097–1116: Berno Augiensis – Musica seu Prologus in Tonarium (bernmus)

142:1115–30: Berno Augiensis – Tonabius [sic] (bernto)

142:1131–54: Berno Augiensis – De varia psalmorum atque cantuum modulatione (bernvarp)

142:1155–58: Berno Augiensis – De consona tonorum diversitate (berndct)

143:413–39: Hermannus Contractus – Musica (hermusp)

143:439–44: Hermannus Contractus – Versus ad discernendum cantum (herverp)

150:1147–78: Willehelmus Hirsaugensis – Musica (wilmusi)

150:1307–46: Aribo – Musica (arimu)

150:1391–1430: Johannes Affligemensis – Musica (johmu)

151:653–74: Bernelinus – Cita et vera divisio monochordi in diatonico genere (berndivm)

151:673–82: Anonymous I – Musica (ano1mu)

151:681–86: Anonymous II – Tractatus de musica (ano2trdm)

151:685–88: Anonymous III – Fragmentum musices (ano3fram)

151:687–92: Anonymous – Mensura monochordi Boetii (anommb)

151:693–94: Anonymous – Monochordum Encheriadis (anomonen)

163:777–92: Theogerus Metensis – Musica (themusi)

182:1151–54: Anonymous – Tractatus cantandi graduale. Graduali Cisterciensi prologi instar praemissus (anocist)

182:1153–66: Anonymous – Tonale Sancti Bernardi (bertona)

3:169–97 and 228: Frutolfus – Rythmimachia (frurit)

vi–xxv: Petrus de Cruce Ambianensis – Tractatus de tonis (pettrac)

16–24: Petrus Picardus – Ars motettorum compilata breviter (petars)

38–54 (even): Anonymous – Ars musicae mensurabilis secundum Franconem (anofig)

39–53 (odd): Anonymous – Ars musicae mensurabilis secundum Franconem (anoarsm)

66–72: Anonymous – Compendium musicae mensurabilis artis antiquae (anocom)

112–18: Wenceslaus de Prachatitz – [Commentum in musicam speculativam Iohannis de Muris] (wencom)

329–57: Bede [Ps.] – Musica theorica (bedmut)

Calcidius – Platonis Timaeus et commentarius (chaltim)

46–62: Prosdocimo de' Beldomandi – Brevis summula proportionum quantum ad musicam pertinet (probre1)

64–118: Prosdocimo de' Beldomandi – Parvus tractatulus de modo monacordum dividendi (propar)

126–34: Anonymous – Sequitur de synemenis (anoseq)

150–52: Anonymous – [Mensura monochordi] (anoein)

26–94: Prosdocimo de' Beldomandi – Contrapunctus (procon)

34–154: Prosdocimo de' Beldomandi – Plana musica (propla)

156–252: Prosdocimo de' Beldomandi – Musica speculativa (prospec)

19–223: Prosdocimo de' Beldomandi – Expositiones tractatus pratice cantus mensurabilis magistri Johannis de Muris (proexp)

284–91: Anonymous – [Versus de musica] (anoverp)

293–303: Anonymous – [De musica mensurata] (anobrig)

26–80: Anonymous – Opusculum de musica (anotrho)

13–32: Philippe de Vitry – Ars nova (vitarn)

19–35: Anonymous – De musica libellus (anodml)

39–45: Anonymous – Tractatus de discantu (anotrdis)

50–56: Franco [Ps.] – Tractatus de discantu (fracomp)

13–28: Anonymous – De valore notularum tam veteris quam novae artis (ano2dev)

33–41: Anonymous – Compendium musicae mensurabilis tam veteris quam novae artis (ano4cmm)

51–62: Anonymous – De diversis manieribus in musica mensurabili (ano7ddm)

109–19. Text copyright 1985: Anonymous – De origine et effectu musicae (anooref)

1:22–89: Anonymous 4 – [Musica] (ano4mus)

1:35–89 and 91–97: Johannes de Garlandia – De mensurabili musica (gardmm)

175–203: Gregor Reisch – Margarita philosophica cum additionibus nouis: ab auctore suo studiosissima reuisione quarto super additis, Liber V: De principiis musicae (reimar)

Georg Rhau – Enchiridion utriusque musicae practicae (rhaenc)

1–8, 11–19: Anonymous – Introductorium musicae (anoleip)

20: Anonymous – Cologne Organum Treatise (colorgr)

taf. XXI: Anonymous – [Tabula neumarum] (anoneum)

12–99: Rudolf of St. Trond – Quaestiones in musica (rudqua)

41–67: Johannes de Grocheo – De musica (grodem)

1–60: Biagio Rossetti – Libellus de rudimentis musices: Compendium musicae (roslib1)

110: Anonymous – Item versi eiusdem acute divisionis (anovers)

1–64: Rutgerus Sycamber de Venray – Dialogus de musica (rutdia)

23–39: Thomas Aquinas [Ps.] – Ars musice (aquars)

ff. 1r–8v and pp. 1–45: Franciscus Salinas – De musica, liber primus (salmus1)

35–71: Prosdocimo de' Beldomandi – Tractatus practice cantus mensurabilis ad modum ytalicorum (protray)

63–79: Paulus de Florentia – Ars ad discantandum contrapunctum (paulars)

1–40: Melchior Schanppecher – Opus aureum musicae, partes III et IV (schopa)

17–19: Berno Augiensis – De consona tonorum diversitate (berndctd)

82–98: Anonymous – [Tractatus de musica mensurabili] (anotdmm)

74–76: Anonymous – [Compendium breve artis musicae] (anocbam)

1–29, 31–59: Anonymous – Musica enchiriadis (musenci)

60–156: Anonymous – Scolica enchiriadis de arte musica (scench)

157–78: Anonymous – Commemoratio brevis de tonis et psalmis modulandis (anocmb)

179–81: Anonymous – De dimensione monocordi (anoddm)

182–84: Anonymous – Ecce modorum sive tonorum auspice Christo incipit ordo (anoecc)

187–205: Anonymous – Inchiriadon Uchubaldi Francigenae (anoinc)

205–13: Anonymous – De organo (anoincor)

214–21: Anonymous – [Dialogus de organo et tractatulus de cantu] (anodia)

222–23: Anonymous – Cologne Organum Treatise (colorgs)

224–32: Anonymous – [Mensura fistularum] (anoprg)

233–35 (left column only): Anonymous – Compositio monocordi secundum Enchiriadem (anome1a)

233–35 (right column only): Anonymous – Compositio monocordi secundum Enchiriadem (anome1b)

236–37: Anonymous – Monocordum Domni Encheriadis (anome2)

238: Anonymous – Mensura monocordi (anommon)

239: Anonymous – De enquiriadis monocordi divisione (anoemd)

240: Anonymous – Divisio monocordi secundum enchiriadem (anome5)

241: Anonymous – [Mensura monocordi VI] (anome6)

106–18: Anonymous – De tractatu tonorum (schano)

66–102: Anonymous – Tractatus figurarum (trafig)

21–48: Anonymous – Jesus. Libellus musicae adiscendae valde utilis et est dialogus. Discipulus et magister sunt locutores (anolib)

Anonymous – Quaestiones et solutiones advidendum tam mensurabilis cantus quam immensurabilis musica (anoqs)

13–42: Anonymous – [Tractatus de musica] (anolaf)

71–77: Guglielmo Roffredi – Summa musicae artis (roffsum)

133–40: Paulus de Florentia – Ars ad adiscendum contrapunctum (paularsa)

Sebastianus de Felstin – Modus regulariter accentuandi lectiones Matutinales, prophetias necnon epistolas et euangelia (felmod)

Sebastianus de Felstin – Opusculum musice (felop)

14–38: Osbernus Cantuariensis (?) – De vocum consonantiis (osbmus)

33–41: Anonymous – Tractatuli (anotra17)

37–61: Anonymous – [Mensura cymbalorum] (anocym)

24–93 (even pages only): Anonymous – Commentum super tonos (anocst)

24–93 (odd pages only): Anonymous – Commentum super tonos (anocsto)

1:154–70: Anonymous – Expositio de motu (anomov)

1:185–87: Anonymous – Expositio de motu (anomot)

19–30: Anonymous – Liber argumentorum (anoarg)

31–58: Anonymous – Liber specierum (anospeg)

67–92: Anonymous – Metrologus liber (anomete)

99–172: Anonymous – Commentarius in Micrologum Guidonis Aretini (guicoms)

1–132: Anonymous – De expositione musice (ano1279)

61–63, 65, 107–8, 110–11, 113–19: Anonymous – [Marginalia] (anomarg)

81–154: Anonymous – Libellus tonarius (anolit)

154–60: Anonymous – De musica et de transformatione specialiter (anodmt)

Iohannes Spangenberg – Quaestiones musicae in usum scholae Northusianae (spanqua)

239: Anonymous – [Tractatus de musica] (anotdm)

100–254: Gaspar Stoquerus – De musica verbali libri duo (stodem)

27–30: Abbot Guido – Regulae organi (abgureg)

Petrus Tallanderius – Lectura (tallec)

19–25: Thomas Aquinas [Ps.] – De arte musica (aqumus)

13–121: Ugolino Urbevetanis – Declaratio musicae disciplinae, liber primus (ugodec1a)

1–53: Ugolino Urbevetanis – Declaratio musicae disciplinae, liber secundus (ugodec2)

1–84: Ugolino Urbevetanis – Declaratio musicae disciplinae, liber quartus (ugodec4)

227–53: Ugolino Urbevetanis – Tractatus monochordi (ugotram)

Anonymous – [Tractatulus de musica] (anotrdm)

109: Anonymous – [Versus de musica] (anover)

Stephano Vanneo – Recanetum de musica aurea, liber II, capituli XX-XXXVII (vanrec)

Stephano Vanneo – Recanetum de musica aurea (vanrem)

128–34: Anonymous – Rubrice brevis (anorub)

177–205: Marchetus de Padua – Brevis compilatio (marbrev)

39–101: Anonymous – Summula (anosum)

26–97: Johannes Verulus de Anagnia – Liber de musica (verldm)

13–31: Philippe de Vitry – Ars nova (vitarno)

55–69: Anonymous – Ars mensurandi motetos (anoars)

80–81: Anonymous – Sub brevissimo compendio Philippus de Vitriaco in musica incipit (anoomd)

84–93: Anonymous – De arte musicae (anoart)

Anonymous – Commentarius in Micrologum Guidonis Aretini (guicom)

187–88: Bernardus abbatis Clareuallis – Institutio Sancti Bernardi abbatis Clareuallis quomodo cantare et psallere debeamus (berins)

12–29: Adelboldus – Epistola cum tractatu de musica instrumentali humanaque ac mundana (adetra)

129–37: Anonymous – [Tractatulus de musica] (anotrdmw)

22–27: Dietrich Gresemund – Lucubratiunculae bonarum septem artium liberalium, capitulum quintum, De musica (greluc)

482–84: Anonymous – Quid est cantus? (anoquid)

255–81: Anonymous – Modus cantandi in mensuralibus (anomod)

15–31: Willelmus – Breviarium regulare musicae (wilbre)

40–51: Anonymous – Tractatus de figuris sive de notis (tradef)

58–61: Johannes Torkesey – Trianguli et scuti declaratio de proportionibus musicae mensurabilis (tortri)

1:1–173: Anonymous XI – [Tractatus de musica plana et mensurabili] (ano11tdm)

387–98: Anonymous – [Octo principalia de arte organisandi] (anoopao)

402–18: Anonymous – [Opusculum de arte organica] (anoodao)

171–204: Johannes de Muris – Musica speculativa (murmspew)

1–80: Nicolaus Wollick – Opus aureum, partes I-II (wolopa)

259–68: Johannes Tinctoris – De inventione et usu musice (tininv2)

338–48: Anonymous – De musica mensurata (anodmm)

9–30: Anonymous – Tractatus de musica et tonarius (anotrut)