Coolidge, Helen. Letter to Mr. Eccles, Box 93, Folder 7, Item 1, Marriner S. Eccles Papers. https://fraser.stlouisfed.org/scribd/?item_id=468298&filepath=/files/docs/historical/eccles/093_07_0001.pdf, accessed on March 24, 2018.
Letter from Helen Coolidge regarding post-war economy.
- Banks and banking
- Board of Governors of the Federal Reserve System (U.S.), 1935-
- Federal Reserve Board, 1914-1935