Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Net Gold Purchases or Sales, by the United States, by Country," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1963," Federal Reserve Bulletin (April 1963) : 142-142. https://fraser.stlouisfed.org/title/62/item/21340/toc/378538 , accessed on March 28, 2024.