Statement by Under Secretary Barr before the Senate Finance Committee on Financing Political Campaigns, June 1, 1967
United States. Department of the Treasury. "Statement by Under Secretary Barr before the Senate Finance Committee on Financing Political Campaigns, June 1, 1967," in United States. Department of the Treasury. "Volume 158," Press Releases of the United States Department of the Treasury (June 1, 1967 - August 29, 1967) : 2-12. https://fraser.stlouisfed.org/title/6111/item/587001/toc/540713 , accessed on May 19, 2024.