Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 6, 1919," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1919-04-06). https://fraser.stlouisfed.org/title/83/item/492928, accessed on February 2, 2025.