Federal Reserve Bank of Chicago. "Two Treasury Bonds Offerings - Cash Subscriptions Only : $1,000,000,000 2 1/2 Per Cent Treasury Bonds of 1967-72 (Additional Issue) at 100 and Accrued Interest, and $500,000,000 2 Per Cent Treasury Bonds of 1951-55 at 100" in Federal Reserve Bank of Chicago Bulletins and Circular Letters (December 3, 1941). https://fraser.stlouisfed.org/title/7180/item/658183, accessed on September 10, 2024.