Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Statistics for Federal Reserve Chart Book," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1939," Federal Reserve Bulletin (September 1939) : 109-109. https://fraser.stlouisfed.org/title/62/item/21017/toc/349518 , accessed on May 11, 2024.