Items

• [E1804AE4], Article, Thomas Alva Edison, June 1918
  1918-06-00
• [SC18044B1], Letter from Thomas Alva Edison to International Edison Phonograph Dealers Assn, June 1918
  1918-06-00
• [SC90053A1], Interview, Edwin Wesley Hammer, August 7th, 1890
  1890-08-07