Columbia subject headings:
Harvard subject headings:
Christmas music
Hymns, German.
Part songs, Sacred.
Quartets (Unspecified instruments (4))--Scores.
Princeton subject headings:
Chorales--Instrumental settings.
Chorales.
Choruses, Sacred (Mixed voices, 4 parts), Unaccompanied.
Christmas music.
Quartets (Unspecified instruments (4))--Scores.
Scores.