National Museum of American History. (1975). A checklist of keyboard instruments at the Smithsonian Institution: Prepared by the division of musical instruments, National Museum of History and Technology (2. ed.). Smithsonian Institution.
Chicago-Zitierstil (17. Ausg.)National Museum of American History. A Checklist of Keyboard Instruments at the Smithsonian Institution: Prepared by the Division of Musical Instruments, National Museum of History and Technology. 2. ed. Washington: Smithsonian Institution, 1975.
MLA-Zitierstil (9. Ausg.)National Museum of American History. A Checklist of Keyboard Instruments at the Smithsonian Institution: Prepared by the Division of Musical Instruments, National Museum of History and Technology. 2. ed. Smithsonian Institution, 1975.