United States. Department of the Army. Officer's and Warrant Officer's Qualification Card Copy, Box 9, Folder 4, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456827&filepath=/files/docs/historical/martin/09_04_19431229.pdf, accessed on November 17, 2017.
WE AGO Form 66-4 1 DEC 1944
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources