Bill tender on monthly bills 274-day Bills and 366-day T. Bills, July 25, 1967
United States. Department of the Treasury. "Bill tender on monthly bills 274-day Bills and 366-day T. Bills, July 25, 1967," in United States. Department of the Treasury. "Volume 158," Press Releases of the United States Department of the Treasury (June 1, 1967 - August 29, 1967) : 386-387. https://fraser.stlouisfed.org/title/6111/item/587001/toc/540771 , accessed on May 19, 2024.