Board of Governors of the Federal Reserve System (U.S.), 1935-. "Banks and Branches - Number in Operation, by States," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1981," Annual Statistical Digest (October 1982) : 174-175. https://fraser.stlouisfed.org/title/7/item/23508/toc/396216 , accessed on April 23, 2024.