United States. Department of the Treasury. "Statement By Department Of The Treasury, May 14, 1979, Release Number b-1598," 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) : 238-239. https://fraser.stlouisfed.org/title/6111/item/587064/toc/530702 , accessed on May 9, 2024.