Eccles, Marriner S. (Marriner Stoddard), 1890-1977 and Sproul, Allan, 1896-1978. Letter to Marriner [Eccles], Box 36, Folder 6, Item 4, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/465373, accessed on March 22, 2025.