Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 29, 1940," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1940-02-29). https://fraser.stlouisfed.org/title/83/item/66328, accessed on May 11, 2024.