Phonographs and Records EnjoytheMusic.com (页面存档备份,存于互联网档案馆) – Excerpts from the book Hi-Fi All-New 1958 Edition Listen to early recordings on the Edison Phonograph
Inventions that Changed the World. [2013-07-16]. (原始内容存档于2015-09-15). 'Japan's Edison' Is Country's Gadget King : Japanese Inventor Holds Record for Patent. [2013-07-16]