Giannini, Amadeo Peter, 1870-1949 and McAdoo, W. G. (William Gibbs), 1863-1941. Letter to Governor Eugene R. Black, Box 020a, Folder 1, Item 4, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/463203, accessed on July 16, 2025.