Board of Governors of the Federal Reserve System (U.S.), 1935- and Musgrave, Richard A. (Richard Abel), 1910-2007. To Chairman Eccles, Box 4, Folder 9, Item 4, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/465912, accessed on April 22, 2025.