Martin, William McChesney. Trip to Bogot‡, Colombia, March 28-April 25, 1948, Box 18, Folder 5, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=456865&filepath=/files/docs/historical/martin/18_05_nd1.pdf, accessed on May 20, 2018.
Personal notes about the trip for the Ninth International Conference of American States.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources