Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Aggregate Reserves of Depository Institutions and Monetary Base," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1988," Federal Reserve Bulletin (December 1988) : 64-64. https://fraser.stlouisfed.org/title/62/item/20799/toc/9093 , accessed on April 24, 2024.