Columbia subject headings:
Choruses, Sacred (Mixed voices) with string orchestra--Scores.
Motets.
Regina Caeli laetare (Music)
Harvard subject headings:
Choruses, Sacred (Mixed voices) with string orchestra--Scores.
Motets.
Regina Caeli laetare (Music)
Princeton subject headings:
Choruses, Sacred (Mixed voices) with orchestra--Scores.
Motets.
Regina Caeli laetare (Music)
Scores.