Committee on the History of the Federal Reserve System (U.S.). Business Cycle Analysis: Theoretical Contributions : Business Cycles: Literature of Analysis and Explanation: 1949, Entry 176, Box 23, Folder 1, Item 41,
Committee on the History of the Federal Reserve System.
https://fraser.stlouisfed.org/archival/1342/item/458107, accessed on April 17, 2026.