Sproul, Allan, 1896-1978. Letter to Marriner Eccles, Box 50, Folder 3, Item 6, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=464182&filepath=/files/docs/historical/eccles/050_03_0006.pdf&start_page=1, accessed on September 25, 2017.
Regarding the discount rate.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935