Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 31, 1980," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1980-01-31). https://fraser.stlouisfed.org/title/83/item/64637, accessed on August 6, 2024.