Libin Laurence. "Keyboard Instruments." Summer. The Metropolitan Museum of Art Bulletin (1989), Vol. 47, No. 1, pg. 2-3, 14-15, ill.
Libin Laurence. "Musical Instruments in The Metropolitan Museum." The Metropolitan Museum of Art Bulletin (1978), Vol. XXXV, No. 3, pg. 34-35, ill.
Winternitz Emanuel. Musical Instruments of the Western World. McGraw Hill Book Company. New York, Toronto, 1967, pg. 88-81, fig. 20, ill.
Winternitz Emanuel. Keyboard Instruments in The Metropolitan Museum of Art: A Picture Book. The Metropolitan Museum of Art. New York, 1961, pg. 12-13, fig. 5, ill.