United States. Department of the Treasury. "Proposed amendment on the tax bill pending in the Senate, March 14, 1955," in United States. Department of the Treasury. "Volume 102," Press Releases of the United States Department of the Treasury (January 4, 1955 - March 31, 1955) : 385-390. https://fraser.stlouisfed.org/title/6111/item/586945/toc/536841 , accessed on May 25, 2022.