Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Reserve Bank Credit Outstanding and Factors in Changes," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1931," Federal Reserve Bulletin (June 1931) : 11-11. https://fraser.stlouisfed.org/title/62/item/20714/toc/213560 , accessed on May 9, 2024.