Hamlin, Charles S. (Charles Sumner), 1861-1938. "Index-Digest of Charles S. Hamlin Diaries, Box 27, Volume 13, Reel 17, January 1-June 28, 1927" in Diaries of Charles S. Hamlin
(January 1-June 28, 1927).
https://fraser.stlouisfed.org/title/5194/item/533150, accessed on April 2, 2025.
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