Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 31, 1977," G.5 Foreign Exchange Rates (May 31, 1977). https://fraser.stlouisfed.org/title/1281/item/528953, accessed on May 17, 2022.
public domain
Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 31, 1977," G.5 Foreign Exchange Rates (May 31, 1977). https://fraser.stlouisfed.org/title/1281/item/528953, accessed on May 17, 2022.
public domain