Columbia subject headings:
Harvard subject headings:
Agnus Deo (Music)--15th century.
Credo (Music)--15th century.
Gloria in excelsis Deo (Music)--15th century.
Hymns, Latin--15th century.
Kyrie eleison (Music)--15th century.
Magnificat (Music)--15th century.
Masses--15th century--Parts.
Motets--15th century.
Music--Manuscripts
Part songs--15th century.
Polyphonic chansons--15th century.
Sacred vocal music--15th century.
Sanctus (Music)--15th century.
Princeton subject headings:
Agnus Dei (Music)
Credo (Music)
Facsimiles.
Gloria in excelsis Deo (Music)
Hymns, Latin.
Kyrie eleison (Music)
Magnificat (Music)
Masses.
Motets.
Music--Manuscripts--Facsimiles.
Polyphonic chansons.
Sanctus (Music)