Board of Governors of the Federal Reserve System (U.S.), 1935-. 1957: The Gold Standard, Box 24, Folder 1, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=473014&filepath=/files/docs/historical/martin/martin_s05_b_b_24_01.pdf, accessed on May 25, 2018.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources
- Gold, Silver, and Greenbacks