Martin, William McChesney. Letter to Honorable Paul G. Hoffman, Box 17, Folder 3, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=456832&filepath=/files/docs/historical/martin/17_03_19481126.pdf, accessed on May 25, 2018.
ECA. Transmitting copy of letter to Secretary Snyder for NAC regarding extending lending authority for Latin American
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources