Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Operating Ratios of Member Banks, by Federal Reserve District," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1970," Federal Reserve Bulletin (August 1970) : 186-187. https://fraser.stlouisfed.org/title/62/item/21428/toc/302744 , accessed on March 29, 2024.