Martin, William McChesney. Letter to James E. Webb, Director, Bureau of the Budget, Box 11, Folder 6, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=457103&filepath=/files/docs/historical/martin/11_06_19481119.pdf, accessed on May 24, 2018.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources