United States. Department of the Treasury. "U. S.-GERMAN REPRESENTATIVES MEET, January 22, 1973," in United States. Department of the Treasury. "Volume 182," Press Releases of the United States Department of the Treasury (January 2, 1973 - February 28, 1973) : 148-149. https://fraser.stlouisfed.org/title/6111/item/587025/toc/542924 , accessed on June 25, 2024.