Extension of income tax surcharge urged by six former Treasury Secretaries, June 11, 1969
United States. Department of the Treasury. "Extension of income tax surcharge urged by six former Treasury Secretaries, June 11, 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) : 210-212. https://fraser.stlouisfed.org/title/6111/item/587008/toc/541459 , accessed on June 22, 2024.