United States. Department of the Treasury. "Treasury's Weekly Bill Offering, June 12, 1978, Release Number b-974," 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) : 510-513. https://fraser.stlouisfed.org/title/6111/item/587057/toc/530078 , accessed on May 19, 2024.