United States. Department of the Treasury. "Letter from Secretary Mellon on March 15th Treasury Offering, March 9, 1921," in United States. Department of the Treasury. "Volume 1A," Press Releases of the United States Department of the Treasury (March 30, 1918 - December 26, 1921) : 326-329. https://fraser.stlouisfed.org/title/6111/item/586836/toc/558031 , accessed on September 22, 2023.