United States. Department of the Treasury. "Treasury's Weekly Bill Announcement, May 30, 1978, Release Number b-950," in United States. Department of the Treasury. "Volume 214," Press Releases of the United States Department of the Treasury (May 22, 1978 - July 11, 1978) : 408-411. https://fraser.stlouisfed.org/title/6111/item/587057/toc/530053 , accessed on May 19, 2024.