Eccles, Marriner S. (Marriner Stoddard), 1890-1977 and Roosevelt, Franklin D., 1882-1945. Correspondence with T. W. D. Duke, Box 7, Folder 7, Item 3, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/464735, accessed on March 23, 2025.