United States. Department of the Treasury. Alternative I-III, Box 18, Folder 11, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=456857&filepath=/files/docs/historical/martin/18_11_19510217b.pdf, accessed on May 20, 2018.
U.S. response to IMF termination of agreement with South Africa regarding sale of gold in the premium markets.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources