Martin, William McChesney. Letter to Fred M. Vinson, Secretary of the Treasury, Box 11, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456749&filepath=/files/docs/historical/martin/11_02_19460311.pdf, accessed on November 18, 2017.
Regarding Export-Import Bank interest rates recommendation by the National Advisory Council
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources