Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Number of Banks and Branches in Operation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1951," Federal Reserve Bulletin (May 1951) : 108-109. https://fraser.stlouisfed.org/title/62/item/21197/toc/288093 , accessed on May 4, 2024.