United States. Department of the Treasury. "Treasury Offering of Bonds of 1940-43, July 5, 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) : 177-182. https://fraser.stlouisfed.org/title/6111/item/586843/toc/557278 , accessed on April 25, 2024.