United States. Department of the Treasury. "Treasury's 52-Week Bill Results, September 13, 1978, Release Number b-1164," in United States. Department of the Treasury. "Volume 216," Press Releases of the United States Department of the Treasury (August 1, 1978 - September 15, 1978) : 572-573. https://fraser.stlouisfed.org/title/6111/item/587059/toc/530267 , accessed on April 25, 2024.