Eccles, Marriner S. (Marriner Stoddard), 1890-1977. Letter to Fred M. Vinson, Box 12, Folder 9, Item 10, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=464096&filepath=/files/docs/historical/eccles/012_09_0010.pdf&start_page=1, accessed on August 16, 2017.
Regarding May 1 certificates.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935