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-. "1973-1977," Annual Statistical Digest (December 1978) : 280-281. https://fraser.stlouisfed.org/title/7/item/23504/toc/110173 , accessed on April 23, 2024.