Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Volume and Kind of Direct Obligations," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1937," Federal Reserve Bulletin (September 1937) : 116-116. https://fraser.stlouisfed.org/title/62/item/20993/toc/170522 , accessed on April 18, 2024.