Hamlin, Charles S. (Charles Sumner), 1861-1938. "Index-Digest of Charles S. Hamlin Diaries, Box 28, Volume 14, Reel 17, July 1, 1927-July 31, 1928" in Diaries of Charles S. Hamlin
(July 1, 1927-July 31, 1928).
https://fraser.stlouisfed.org/title/5194/item/533151, accessed on April 2, 2025.
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