Hamlin, Charles S. (Charles Sumner), 1861-1938. "Index-Digest of Charles S. Hamlin Diaries, Box 20, Volume 6, Reel 15, March 28, 1920-October 12, 1922" in Diaries of Charles S. Hamlin
(March 28, 1920-October 12, 1922).
https://fraser.stlouisfed.org/title/5194/item/533139, accessed on April 2, 2025.
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