Items
recipient is exactly
Simpson, John Ewing Melville
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[E1565OE], Letter from John Pierrepont Constable to Harry Toyne Leeming, Stephen Babcock Mambert, Absalom Mason Kennedy, Thomas Alva Edison, John Ewing Melville Simpson, October 23rd, 1915 1915-10-23 -
[E1565PE], Letter from John Pierrepont Constable to John Ewing Melville Simpson, November 23rd, 1915 1915-11-23
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[E1582AW], Letter from John Pierrepont Constable to John Ewing Melville Simpson, December 30th, 1915 1915-12-30