Items

• [E1918AR], Letter from Richard Wesley Kellow to American Philosophical Society, May 24th, 1919
  1919-05-24
• [E1918AV], Letter from Thomas Alva Edison to Isaac Minis Hays, American Philosophical Society, June 17th, 1919
  1919-06-17
• [LB062500], Letter from Thomas Alva Edison to American Philosophical Society, John H Horn, May 29th, 1896
  1896-05-29