Martin, William McChesney. Memorandum to Arey, Bissell, Blaisdell, Szymczak and Thorp, Box 15, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/456918, accessed on August 17, 2018.
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