Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Number of Banks, Banking Offices, Banks Operating Branches, etc.," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1931," Federal Reserve Bulletin (December 1931) : 14-14. https://fraser.stlouisfed.org/title/62/item/20719/toc/248088 , accessed on April 20, 2024.