Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Changes in Number of Banks and Branches in the United States," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1940," Federal Reserve Bulletin (September 1940) : 91-91. https://fraser.stlouisfed.org/title/62/item/21029/toc/137205 , accessed on May 7, 2024.