Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Earnings of Insured Commercial Banks in the United States and Possessions," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1961," Federal Reserve Bulletin (May 1961) : 106-106. https://fraser.stlouisfed.org/title/62/item/21317/toc/52887 , accessed on April 25, 2024.