Board of Governors of the Federal Reserve System (U.S.), 1935-. "Aggregate Reserves and Monetary Base," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 21, 1981," H.3 Aggregate Reserves of Depository Institutions and the Monetary Base (1981-12-21) : 2-2. https://fraser.stlouisfed.org/title/88/item/68425/toc/492591 , accessed on May 4, 2024.