Columbia subject headings:
Choruses, Sacred (Men's voices, 2 parts) with organ.
Operas--Excerpts--Vocal scores with piano.
Sacred songs (High voice) with organ.
Sacred vocal duets with organ.
Songs with piano.
Harvard subject headings:
Choruses, Sacred (Men's voices) with organ.
Operas--Excerpts--Vocal scores with piano
Sacred songs (High voice) with organ.
Songs with piano.
Vocal duets with organ.
Princeton subject headings:
Arrangements (Music)
Choruses, Sacred (Men's voices, 2 parts) with organ.
Excerpts.
Operas--Excerpts--Vocal scores with piano.
Operas.
Sacred songs (High voice) with organ.
Sacred vocal duets with organ.
Songs with piano.
Vocal scores.