Items
Items
Creator is exactly
Koppers (H.) Co
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[E1518DEQ], Letter from Charles Joseph Ramsburg, Koppers (H.) Co to William Henry Meadowcroft, April 20th, 1915
1915-04-20 -
[E1518DFN], Letter from Koppers (H.) Co, Charles Joseph Ramsburg to Thomas Alva Edison, April 23rd, 1915
1915-04-23 -
[E1915AO2], Letter from Marc Darrin, Koppers (H.) Co to Thomas Alva Edison, William Henry Meadowcroft, July 31st, 1919
1919-07-31 -
[E1915AO4], Letter from Marc Darrin, Koppers (H.) Co to William Henry Meadowcroft, September 10th, 1919
1919-09-10 -
[E1915AP], Letter from Marc Darrin, Koppers (H.) Co to William Henry Meadowcroft, September 16th, 1919
1919-09-16 -
[E1915AR], Letter from Koppers (H.) Co, Marc Darrin to William Henry Meadowcroft, September 22nd, 1919
1919-09-22