Martin, William McChesney. Letter to Presley Edwards, Box 2, Folder 3, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/456898, accessed on August 22, 2018.
Regarding work at New York Stock Exchange
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources