Eccles, Marriner S. (Marriner Stoddard), 1890-1977. Letter to Mr. Morgenthau, Box 9, Folder 7, Item 16, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=468993&filepath=/files/docs/historical/eccles/009_07_0016.pdf&start_page=1, accessed on September 22, 2017.
Regarding the replacement of the 1928 series Federal reserve notes which bear the "gold" clause.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935