Columbia subject headings:
Choruses, Sacred (Mixed voices) with organ.
Choruses, Sacred (Mixed voices), Unaccompanied.
Masses.
Organ music.
Harvard subject headings:
Choruses, Sacred (Mixed voices) with organ.
Choruses, Sacred (Mixed voices), Unaccompanied.
Masses.
Organ music.
Princeton subject headings:
Choruses, Sacred (Mixed voices) with organ.
Choruses, Sacred (Mixed voices), Unaccompanied.
Masses.
Organ music.