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/scribd/?item_id=457034&filepath=/files/docs/historical/martin/09_05_19410416.pdf, accessed on November 24, 2017.
DSS Form 158
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources