United States. Federal Open Market Committee. FRB Open Market Committee : 1955-1956, Box 20, Folder 12, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/472998, accessed on August 14, 2018.
Letters from FOMC members, drafts of minutes
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources