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. "September 1965," Federal Reserve Bulletin (September 1965) : 96-96. https://fraser.stlouisfed.org/title/62/item/21369/toc/240636 , accessed on April 24, 2024.