Musgrave, Richard A. (Richard Abel), 1910-2007 , Stettner, Walter F., 1914- and Williams, Kenneth B. Memorandum to Chairman Eccles, Box 26, Folder 10, Item 9, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/465845, accessed on June 19, 2025.