U.S. and Norway to discuss revision of income tax convention, January 21, 1970
United States. Department of the Treasury. "U.S. and Norway to discuss revision of income tax convention, January 21, 1970," in United States. Department of the Treasury. "Volume 167," Press Releases of the United States Department of the Treasury (November 7, 1969 - January 30, 1970) : 352-353. https://fraser.stlouisfed.org/title/6111/item/587010/toc/541647 , accessed on June 23, 2024.