Beckhart, Benjamin Haggott, 1898-1976 and Eccles, Marriner S. (Marriner Stoddard), 1890-1977. Letter to Marriner S. Eccles, Box 67, Folder 8, Item 16, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/463755, accessed on March 21, 2025.