Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "U.S. Reserve Assets," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1971," Federal Reserve Bulletin (September 1971) : 138-138. https://fraser.stlouisfed.org/title/62/item/21442/toc/14338 , accessed on April 19, 2024.