Federal Reserve Bank of Chicago. "Optional Redemption of Treasury Certificates of Indebtedness - Series V-J - Dated April 10, 1919, Maturing September 9, 1919, Circular no. 198" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (August 25, 1919). https://fraser.stlouisfed.org/title/7180/item/655605, accessed on October 7, 2024.