Hamlin, Charles S. (Charles Sumner), 1861-1938 and Federal Reserve Board, 1914-1935 "Speech at Nantasket Beach : Typed version." August 10, 1907, https://fraser.stlouisfed.org/title/443/item/513490/content/pdf/hamlin_19070810_typed_mss24661_356_012, accessed on April 22, 2024.