Columbia subject headings:
Masses.
Responses (Music)
Harvard subject headings:
Choruses, Sacred (Mixed voices, 5 parts), Unaccompanied.
Masses, Unaccompanied.
Responses (Music)
Princeton subject headings:
Choruses, Sacred (Mixed voices, 5 parts), Unaccompanied.
Masses, Unaccompanied.
Masses.
Responses (Music)