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-. "April 13, 1981," H.3 Aggregate Reserves of Depository Institutions and the Monetary Base (1981-04-13) : 2-2. https://fraser.stlouisfed.org/title/88/item/68817/toc/466926 , accessed on April 24, 2024.