Columbia subject headings:
Harvard subject headings:
Septets (Organ, viols (6))--Parts.
String sextets (Viols (6))--Parts.
Princeton subject headings:
Canons, fugues, etc. (Organ, viols (6))--Parts.
Canons, fugues, etc. (Viols (6))--Parts.
Fantasias (Music)
Parts (Music)