First Fiscal Year's Operations Under Cumulative Sinking Fund Established, July 11, 1921
United States. Department of the Treasury. "First Fiscal Year's Operations Under Cumulative Sinking Fund Established, July 11, 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) : 353-354. https://fraser.stlouisfed.org/title/6111/item/586836/toc/558040 , accessed on December 11, 2023.