Trefftz, Kenneth L. Letter to Mariner [Marriner] S. Eccles, Box 86, Folder 19, Item 6, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=468144&filepath=/files/docs/historical/eccles/086_19_0006.pdf, accessed on February 25, 2018.
Letter from Kenneth L. Trefftzs thanking Eccles for addressing the Southern California Economic Association.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935