Douglas, Paul H., 1892-1976 and Eccles, Marriner S. (Marriner Stoddard), 1890-1977. Letter to Marriner S. Eccles, Box 70, Folder 8, Item 18, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/465184, accessed on March 18, 2025.