Springborn, Fred L. and Willis, George H. The Need for International Reserves, Box 54, Folder 1, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=457244&filepath=/files/docs/historical/martin/54_01_196709xx.pdf, accessed on June 20, 2018.
U.S. Treasury Department publication
United States Dept of the Treasury
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources