United States. Department of the Treasury. "Treasury Announces Results Of Gold Sale, May 15, 1979, Release Number b-1606," in United States. Department of the Treasury. "Volume 221," Press Releases of the United States Department of the Treasury (May 1, 1979 - May 31, 1979) : 336-338. https://fraser.stlouisfed.org/title/6111/item/587064/toc/530710 , accessed on May 8, 2024.