O'Hagan, John; Borowiecki, Karol (8 July 2010). "Birth Location, Migration, and Clustering of Important Composers". Historical Methods. 43 (2): 81–90. doi:10.1080/01615441003729945. S2CID128708194.
Stevenson, Angus; Lindberg, Christine A., eds. (2015) [2010]. "Composer". New Oxford American Dictionary. ISBN978-0-19-539288-3. Retrieved 4 April 2022.
O'Hagan, John; Borowiecki, Karol (8 July 2010). "Birth Location, Migration, and Clustering of Important Composers". Historical Methods. 43 (2): 81–90. doi:10.1080/01615441003729945. S2CID128708194.