Extract from Annual Report of the Secretary of the Treasury on the State of the Finances for the Fiscal Year Ended June 30, 1920 (Cumulative Sinking Fund)
United States. Department of the Treasury. "Extract from Annual Report of the Secretary of the Treasury on the State of the Finances for the Fiscal Year Ended June 30, 1920 (Cumulative Sinking Fund)," 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) : 235-261. https://fraser.stlouisfed.org/title/6111/item/586836/toc/558014 , accessed on September 22, 2023.