Board of Governors of the Federal Reserve System (U.S.), 1935-. "Banking Offices in the United States-Number, and Changes in Number," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1972-1976," Annual Statistical Digest (December 1977) : 316-316. https://fraser.stlouisfed.org/title/7/item/23503/toc/117699 , accessed on May 10, 2024.