United States. Selective Service System. Notice of Classification, Box 9, Folder 4, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/457261, accessed on November 14, 2018.
Martin classified 1-A by the local Selective Service Board.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources