U.S. and Mexico sign $100 Million Exchange Agreement, December 21, 1967, Release Number f-1110
United States. Department of the Treasury. "U.S. and Mexico sign $100 Million Exchange Agreement, December 21, 1967, Release Number f-1110," in United States. Department of the Treasury. "Volume 160," Press Releases of the United States Department of the Treasury (December 1, 1967 - February 29, 1968) : 76-77. https://fraser.stlouisfed.org/title/6111/item/587003/toc/540915 , accessed on July 9, 2024.