Items

• [E1337BZ], Letter from Thomas Alva Edison to Cooper (Charles) & Co, 1913
  1913-00-00
• [E1382AN], Letter from Thomas Alva Edison to Cooper (Charles) & Co, Wiarda (John C.) & Co, May 1st, 1913
  1913-05-01
• [LB093578], Letter from George Arthur Meister to Cooper (Charles) & Co, May 1st, 1913
  1913-05-01
• [LB103069], Letter from Thomas Alva Edison to Cooper (Charles) & Co, April 3rd, 1915
  1915-04-03