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 March 31, 2023.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935
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