Martin, William McChesney. United States Foreign Lending and the Repayment Problem, Box 15, Folder 3, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=457043&filepath=/files/docs/historical/martin/15_03_nd4.pdf, accessed on January 21, 2018.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources