United States. Department of the Treasury. "United States Joins African Development Bank, February 8, 1983," in United States. Department of the Treasury. "Volume 249," Press Releases of the United States Department of the Treasury (January 3, 1983 - March 22, 1983) : 167-169. https://fraser.stlouisfed.org/title/6111/item/587092/toc/532841 , accessed on June 26, 2024.