Board of Governors of the Federal Reserve System (U.S.), 1935-. "Changes in Number of Banking Offices in the United States," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1987," Annual Statistical Digest (October 1988) : 187-187. https://fraser.stlouisfed.org/title/7/item/23493/toc/193499 , accessed on May 9, 2024.