Snyder, John W. (John Wesley), 1895-1985. Letter, John W. Snyder to Thomas B. McCabe, File 14, Folder 9, Item 12, Student Research File. https://fraser.stlouisfed.org/scribd/?item_id=73033&filepath=/files/docs/historical/trumanlibrary/srf_014_009_0012.pdf&start_page=1, accessed on September 21, 2017.
Original source: Federal Reserve Bank-Interest, 1948-50. Secretary of the Treasury Alphabetical File. John W. Snyder Papers.