United States. Department of the Treasury. "Treasury Offering of 11-Month 4 3/4% Certificates, October 8, 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) : 211-215. https://fraser.stlouisfed.org/title/6111/item/586843/toc/557297 , accessed on April 18, 2024.