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/archival/1341/item/457103, accessed on August 14, 2018.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources