Items

• [MF37AM], Letter from Black Diamond Powder Co, E B Brumm to William Henry Meadowcroft, July 10th, 1918
  1918-07-10
• [MF37BC], Letter from Black Diamond Powder Co, E B Brumm to William Henry Meadowcroft, July 24th, 1918
  1918-07-24
• [MF37BG], Letter from William Henry Meadowcroft to E B Brumm, Black Diamond Powder Co, July 26th, 1918
  1918-07-26
• [MF37BH], Letter from E B Brumm, Black Diamond Powder Co to William Henry Meadowcroft, July 27th, 1918
  1918-07-27
• [MF39AE], Letter from William Henry Meadowcroft to Black Diamond Powder Co, September 10th, 1918
  1918-09-10