Statement by Under Secretary Barr before the House Committee on Ways and Means on Airways User Charges, August 24, 1966, Release Number f-598
United States. Department of the Treasury. "Statement by Under Secretary Barr before the House Committee on Ways and Means on Airways User Charges, August 24, 1966, Release Number f-598," in United States. Department of the Treasury. "Volume 155," Press Releases of the United States Department of the Treasury (August 1, 1966 - October 31, 1966) : 168-179. https://fraser.stlouisfed.org/title/6111/item/586998/toc/540258 , accessed on June 23, 2024.