Martin, William McChesney. Letter William McChesney Martin, Jr. to Dr. Alvin Johnson, Box 22, Folder 4, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/457273, accessed on December 15, 2018.
Transmitting transcript of talk
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources