Fowler, Charles B. (October 1967), «The Museum of Music: A History of Mechanical Instruments», Music Educators Journal (MENC_ The National Association for Music Education) 54 (2): 45-49, JSTOR3391092, S2CID190524140, doi:10.2307/3391092.
Koetsier, Teun (2001). «On the prehistory of programmable machines: musical automata, looms, calculators». Mechanism and Machine Theory (Elsevier) 36 (5): 589-603. doi:10.1016/S0094-114X(01)00005-2.
Fowler, Charles B. (October 1967), «The Museum of Music: A History of Mechanical Instruments», Music Educators Journal (MENC_ The National Association for Music Education) 54 (2): 45-49, JSTOR3391092, S2CID190524140, doi:10.2307/3391092.
Fowler, Charles B. (October 1967), «The Museum of Music: A History of Mechanical Instruments», Music Educators Journal (MENC_ The National Association for Music Education) 54 (2): 45-49, JSTOR3391092, S2CID190524140, doi:10.2307/3391092.