Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "All Banks in the United States - Number of Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1940," Federal Reserve Bulletin (July 1940) : 63-63. https://fraser.stlouisfed.org/title/62/item/21027/toc/318653 , accessed on April 18, 2024.