Columbia subject headings:
Harpsichord music.
Organ music.
Harvard subject headings:
Canons, fugues, etc. (Harpsichord)--17th century--Scores.
Canons, fugues, etc. (Organ)--17th century--Scores.
Harpsichord music--Italy--17th century--Scores.
Organ music--Italy--17th century--Scores.
Princeton subject headings:
Harpsichord music.
Organ music.