Bopp, Karl R. (Karl Richard), 1906-1979. International Monetary and Financial Proposals, Box 36, Folder 13, Item 4, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/468266, accessed on May 3, 2024.
Bopp, Karl R. (Karl Richard), 1906-1979. International Monetary and Financial Proposals, Box 36, Folder 13, Item 4, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/archival/1343/item/468266, accessed on May 3, 2024.