Hamlin, Charles S. (Charles Sumner), 1861-1938. "Charles S. Hamlin Diaries, Box 10, Volume 16, Reel 4, March 23-November 1, 1929" in Diaries of Charles S. Hamlin
(March 23-November 1, 1929).
https://fraser.stlouisfed.org/title/5194/item/533100, accessed on April 2, 2025.
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