Martin, William McChesney. Office Correspondence from Paul Gekker to Chairman Martin, Box 22, Folder 6, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=457255&filepath=/files/docs/historical/martin/22_06_19650921.pdf, accessed on July 16, 2018.
Regarding Soviet Publication of Columbia University Speech.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources