Columbia subject headings:
String septets (Violins (2), violas (2), cellos (2), double bass)
String sextets (Violins (2), violas (2), cellos (2))
Harvard subject headings:
Chamber music
String septets (Violins (2), violas (2), cellos (2), double bass)
String sextets (Violins (2), violas (2), cellos (2))
Princeton subject headings: