United States. Department of the Treasury. "Transition to 52-week Treasury bill cycle completed, August 16, 1973," in United States. Department of the Treasury. "Volume 185," Press Releases of the United States Department of the Treasury (July 2, 1973 - August 31, 1973) : 602-603. https://fraser.stlouisfed.org/title/6111/item/587028/toc/543373 , accessed on July 9, 2024.