Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 22, 1988," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1988-12-22). https://fraser.stlouisfed.org/title/83/item/63915, accessed on March 11, 2025.