Committee on the History of the Federal Reserve System (U.S.). Conversation with Mr. Winfield Riefler and Mr. Howard Hackley in Washington, March 25, 1955, Entry 167, Box 2, Folder 4, Item 32,
Committee on the History of the Federal Reserve System.
https://fraser.stlouisfed.org/archival/1342/item/458910, accessed on April 15, 2026.