Items
Creator is exactly
Burkart, Irwin H
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[E1469HB], Letter from Irwin H Burkart, Blake and Burkart to Edison (Thomas A.) Inc, October 7th, 1914 1914-10-07 -
[E1469HC], Letter from Blake and Burkart, Irwin H Burkart to Edison (Thomas A.) Inc, October 7th, 1914 1914-10-07
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[E1565HT], Letter from Irwin H Burkart, Blake and Burkart to Thomas Alva Edison, May 22nd, 1915 1915-05-22