United States. Department of the Treasury. "Quota Commodities, June 16, 1960," in United States. Department of the Treasury. "Volume 121," Press Releases of the United States Department of the Treasury (April 1, 1960 - June 30, 1960) : 374-376. https://fraser.stlouisfed.org/title/6111/item/586964/toc/538230 , accessed on June 24, 2024.