Columbia subject headings:
Masses, Unaccompanied--Excerpts.
Motets.
Music--Italy.
Sacred vocal music--Scores.
Harvard subject headings:
Masses, Unaccompanied--Excerpts.
Motets.
Music--Italy
Part songs, Sacred.
Sacred vocal music.
Princeton subject headings:
Excerpts.
Masses, Unaccompanied--Excerpts.
Masses.
Motets.
Music--Italy.
Part songs, Sacred.
Part songs.
Sacred vocal music--Scores.
Scores.