Items

• [QP028AAG], Letter from Howard W Hayes to William Edgar Gilmore, June 12th, 1901
  1901-06-12
• [QP028AAH], Letter from Thomas Alva Edison to Howard W Hayes, 1901
  1901-00-00
• [QP028AAJ], Letter from Henry Galbraith Ward to Howard W Hayes, June 14th, 1901
  1901-06-14
• [QP028AAM], Agreement, Edison United Phonograph Co, International Graphophone Co, Thomas Alva Edison, April 7th, 1898
  1898-04-07