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. "June 1938," Federal Reserve Bulletin (June 1938) : 88-88. https://fraser.stlouisfed.org/title/62/item/21002/toc/71717 , accessed on April 23, 2024.