„Schiedmayer Celesta”. Schiedmayer GmbH. Приступљено 2016-01-03. Schiedmayer's website claims that it "... is today the only Celesta manufacturer worldwide": Schiedmayer is the only company manufacturing celestas according to the patent of A. Mustel and claims the instruments build by Yamaha are "keyboard glockenspiels". However, this claim is contradicted by Yamaha.
Blades, James and Holland, James. "Celesta"; Gallois, Jean. "Chausson, Ernest: Works", Grove Music OnlineАрхивирано на сајту Wayback Machine (16. мај 2008) (Accessed 8 April 2006) (subscription required)
Mo, Sue. „Dulcitone”. Sumo55 Websites & Multi Media Design. Приступљено 28. 9. 2016.CS1 одржавање: Формат датума (веза)
web.archive.org
Blades, James and Holland, James. "Celesta"; Gallois, Jean. "Chausson, Ernest: Works", Grove Music OnlineАрхивирано на сајту Wayback Machine (16. мај 2008) (Accessed 8 April 2006) (subscription required)
