United States. Department of the Treasury. "Gold transactions (3rd quarter of 1960), December 14, 1960," in United States. Department of the Treasury. "Volume 123," Press Releases of the United States Department of the Treasury (October 4, 1960 - January 18, 1961) : 140-142. https://fraser.stlouisfed.org/title/6111/item/586966/toc/538329 , accessed on June 23, 2024.