Secretary Kennedy letter to Speaker McCormack re: proposed environmental control tax on lead in motor fuel additives, May 19, 1970
United States. Department of the Treasury. "Secretary Kennedy letter to Speaker McCormack re: proposed environmental control tax on lead in motor fuel additives, May 19, 1970," in United States. Department of the Treasury. "Volume 169," Press Releases of the United States Department of the Treasury (May 6, 1970 - August 3, 1970) : 165-172. https://fraser.stlouisfed.org/title/6111/item/587012/toc/541781 , accessed on June 16, 2024.