Treasury Market Transactions for March, April 12, 1968, Release Number f-1216
United States. Department of the Treasury. "Treasury Market Transactions for March, April 12, 1968, Release Number f-1216," in United States. Department of the Treasury. "Volume 161," Press Releases of the United States Department of the Treasury (March 4, 1968 - June 3, 1968) : 175-176. https://fraser.stlouisfed.org/title/6111/item/587004/toc/541020 , accessed on June 24, 2024.