Mass 20 (Holy Cross): Sources
Introit: Nos autem gloriari oportet
- CZ-Bam 14/5
- D-Mbs Mus. MS 3936
Alleluia Dulce lignum
- CZ-Bam 14/5
- D-Mbs Mus. MS 3936
Sequence: Laudes crucis
- CZ-Bam 14/5
- D-Mbs Mus. MS 3936
Communion: Nos autem gloriari oportet
- D-Mbs Mus. MS 3936