Trefftz, Kenneth L. Letter to M.S. Eccles, Box 86, Folder 19, Item 3, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=467066&filepath=/files/docs/historical/eccles/086_19_0003.pdf&start_page=1, accessed on August 23, 2017.
Letter from Kenneth L. Trefftzs regarding arrangements for Eccles to address the Southern California Economic Association on April 6, 1951.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935