Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gold Production," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1970," Federal Reserve Bulletin (March 1970) : 215-215. https://fraser.stlouisfed.org/title/62/item/21423/toc/6507 , accessed on March 29, 2024.