Items
Creator is exactly
Clarke, Edgar Whitney
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[E1421GR], Letter from Cambria Steel Co, Edgar Whitney Clarke to Thomas Alva Edison, December 28th, 1914 1914-12-28 -
[E1518JBG], Letter from Cambria Steel Co, Edgar Whitney Clarke to William Horatio Mason, October 13th, 1915 1915-10-13
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[HM51AL], Letter from Cambria Steel Co, Edgar Whitney Clarke to William Horatio Mason, April 3rd, 1915 1915-04-03