Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Reserve Note Statement (In thousands of dollars)," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 6, 1939," H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks (1939-04-06) : 5-5. https://fraser.stlouisfed.org/title/83/item/66873/toc/440497 , accessed on May 4, 2024.