Board of Governors of the Federal Reserve System (U.S.), 1935-. "Number of Commercial Banks and Branches in Operation," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1970-1979," Annual Statistical Digest (March 1981) : 496-496. https://fraser.stlouisfed.org/title/7/item/23506/toc/190754 , accessed on April 19, 2024.