Business Cycle Analysis: Theoretical Contributions : Main Theorists on Business Fluctuation (Innovators) Since 1910: Spiethoff, Entry 176, Box 22, Folder 8, Item 24
Committee on the History of the Federal Reserve System (U.S.). Business Cycle Analysis: Theoretical Contributions : Main Theorists on Business Fluctuation (Innovators) Since 1910: Spiethoff, Entry 176, Box 22, Folder 8, Item 24, Committee on the History of the Federal Reserve System. https://fraser.stlouisfed.org/archival/1342/item/458062, accessed on May 3, 2024.