United States. Department of the Treasury. "Treasury offers $2.2 billion strip of weekly bills, March 16, 1971," in United States. Department of the Treasury. "Volume 172," Press Releases of the United States Department of the Treasury (February 1, 1971 - March 31, 1971) : 448-450. https://fraser.stlouisfed.org/title/6111/item/587015/toc/542159 , accessed on April 25, 2024.