Purcell, Ganson. Letter to Mr. William McChesney Martin, Jr., Box 43, Folder 3, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456852&filepath=/files/docs/historical/martin/43_03_19380701.pdf, accessed on November 17, 2017.
Director, Trading and Exchange Division, SEC
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources