Items

• [MF47AO], Letter from Thomas Alva Edison to U.S. War Dept, Benedict Crowell, Earl McFarland, April 4th, 1918
  1918-04-04
• [MF47BE], Letter from Thomas Alva Edison to Earl McFarland, U.S. War Dept. Office of Chief of Ordnance, September 3rd, 1918
  1918-09-03