Board of Governors of the Federal Reserve System (U.S.), 1935-. "Aggregate Reserves of Depository Institutions and Monetary Base," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1990-1995," Annual Statistical Digest (November 1996) : 63-65. https://fraser.stlouisfed.org/title/7/item/23501/toc/204590 , accessed on April 18, 2024.