Board of Governors of the Federal Reserve System (U.S.), 1935-. 1957: Hearings: Possible Questions, Precedents, Box 24, Folder 7, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=536754&filepath=/files/docs/historical/martin/martin_s05_c_24_07.pdf, accessed on May 22, 2018.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources