Items
recipient is exactly
Schaller, Waldemar Theodore
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[E1947AA], Letter from William Henry Meadowcroft to Waldemar Theodore Schaller, U.S. Geological Survey, January 6th, 1919
1919-01-06 -
[E1947AE], Letter from Walter Seeley Mallory to Waldemar Theodore Schaller, U.S. Geological Survey, January 23rd, 1919
1919-01-23