Federal Reserve Bank of Chicago. "Closing of Exchange Subscription Books, United States of America 2 1/4% Treasury Bonds of 1951-53, 1% Treasury Notes C-1944, Circular No. 599" in Federal Reserve Bank of Chicago Bulletins and Circular Letters
(December 12, 1939).
https://fraser.stlouisfed.org/title/7180/item/658107, accessed on November 8, 2025.