Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Convertible Foreign Currency Held by Federal Reserve Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1965," Federal Reserve Bulletin (August 1965) : 72-72. https://fraser.stlouisfed.org/title/62/item/21368/toc/210630 , accessed on March 19, 2024.