Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 23, 1931," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1931-10-23). https://fraser.stlouisfed.org/title/83/item/64556, accessed on February 14, 2025.