Board of Governors of the Federal Reserve System (U.S.). Division of Research and Statistics , Gardner, Walter R. and Goldenweiser, E. A., 1883-1953. To Chairman Eccles, Box 36, Folder 12, Item 3, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/462074, accessed on March 7, 2025.