Board of Governors of the Federal Reserve System (U.S.), 1935-. "Index of weighted-average value of U.S. dollar," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1982," Annual Statistical Digest (December 1983) : 193-193. https://fraser.stlouisfed.org/title/7/item/23509/toc/366134 , accessed on May 9, 2024.