United States. Department of the Treasury. "U.S. Foreign Gold Transactions For First Quarter of 1969, June 4, 1969," in United States. Department of the Treasury. "Volume 165," Press Releases of the United States Department of the Treasury (May 6, 1969 - August 29, 1969) : 181-184. https://fraser.stlouisfed.org/title/6111/item/587008/toc/541451 , accessed on June 22, 2024.