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. "February 1965," Federal Reserve Bulletin (February 1965) : 64-64. https://fraser.stlouisfed.org/title/62/item/21362/toc/336131 , accessed on April 19, 2024.