Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Reserve Requirements of Member Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1971," Federal Reserve Bulletin (December 1971) : 104-104. https://fraser.stlouisfed.org/title/62/item/21444/toc/202248 , accessed on March 28, 2024.