Columbia subject headings:
Harvard subject headings:
Magnificat (Music)--15th century.
Masses--15th century--Parts.
Motets--15th century.
Princeton subject headings:
Excerpts.
Facsimiles.
Hymns.
Magnifcat (Music)
Masses--Excerpts.
Motets--Excerpts.
Music--Manuscripts--Facsimiles.