Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 8, 1937," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1937-04-08). https://fraser.stlouisfed.org/title/83/item/66691, accessed on February 16, 2025.