Columbia subject headings:
Harvard subject headings:
Anthems
Antiphons (Music)
Art music
Chamber music
Choruses, Sacred (Mixed voices), Unaccompanied.
Evening service music
In nomine (Music)
Magnificat (Music)
Masses
Masses, Unaccompanied.
Responses (Music)
Sacred music
String quartets (Viols (4))
String sextets (Viols (6))
Princeton subject headings:
Antiphons (Music)
Choruses, Sacred (Mixed voices), Unaccompanied.
In nomine (Music)
Magnificat (Music)
Masses, Unaccompanied.
Responses (Music)
Viol ensembles.