Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Member Bank Reserve Balances, by Classes of Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1939," Federal Reserve Bulletin (April 1939) : 64-64. https://fraser.stlouisfed.org/title/62/item/21012/toc/186805 , accessed on April 19, 2024.