Office of the Director of Selective Service. Appointment of Leader or Assistant Leader, Box 9, Folder 5, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/457034, accessed on October 23, 2018.
DSS Form 158
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources