Columbia subject headings:
Harvard subject headings:
Choruses, Sacred (Mixed voices, 5 parts), Unaccompanied.
Masses, Unaccompanied.
Motets.
Princeton subject headings:
Choruses, Sacred (Mixed voices, 5 parts), Unaccompanied.
Masses, Unaccompanied--Scores.
Masses.
Motets--Scores.
Motets.
Scores.