United States. Department of the Treasury. "Comparative Prices of Liberty Bonds and Victory Notes, November 16, 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) : 383-384. https://fraser.stlouisfed.org/title/6111/item/586836/toc/558051 , accessed on September 22, 2023.