United States. Department of the Treasury. "Payments from Foreign Governments, December 15, 1928," in United States. Department of the Treasury. "Volume 5," Press Releases of the United States Department of the Treasury (January 9, 1928 - December 20, 1928) : 306-309. https://fraser.stlouisfed.org/title/6111/item/586843/toc/557317 , accessed on March 28, 2024.