Columbia subject headings:
Civico museo bibliografico musicale. Manuscript. Q 15.
Masses, Unaccompanied--15th century.
Motets--15th century.
Music--Manuscripts--Facsimiles.
Sacred vocal music--15th century.
Harvard subject headings:
Motets.
Music--Manuscripts--Facsimiles
Music--Manuscripts--Italy--Bologna.
Sacred vocal music.
Princeton subject headings:
Masses.
Motets.
Music--Italy--15th century.
Music--Manuscripts--Facsimiles.
Polyphonic chansons.