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. "November 1963," Federal Reserve Bulletin (November 1963) : 52-52. https://fraser.stlouisfed.org/title/62/item/21347/toc/240466 , accessed on May 4, 2024.