Martin, William McChesney. Memorandum to Arey, Bissell, Blaisdell, Szymczak and Thorp, Box 15, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456918&filepath=/files/docs/historical/martin/15_02_19500929.pdf&start_page=1, accessed on September 23, 2017.
Re U.S. capital in Canada and Philippines
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources