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-. "1972-1976," Annual Statistical Digest (December 1977) : 313-314. https://fraser.stlouisfed.org/title/7/item/23503/toc/117697 , accessed on March 29, 2024.