Hamlin, Charles S. (Charles Sumner), 1861-1938. "Charles S. Hamlin Diaries, Box 1, Volume 1, Reel 1, March 12, 1887-September 1, 1910" in Diaries of Charles S. Hamlin (March 12, 1887-September 1, 1910). https://fraser.stlouisfed.org/title/5194/item/533081, accessed on September 11, 2024.