Board of Governors of the Federal Reserve System (U.S.), 1935-. "Joint Treasury and Federal Reserve report on use and counterfeiting of U.S. currency abroad released to the Congress" in Press Releases of the Board of Governors of the Federal Reserve System (February 29, 2000). https://fraser.stlouisfed.org/title/9237/item/674324, accessed on May 13, 2025.