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