Federal Reserve Bank of New York. "3561. Offering of 1 1/4 Percent Treasury Notes of Series D-1951 in Exchange for 1 1/4 Percent Treasury Certificates of Indebtedness of Series E-1950," Federal Reserve Bank of New York Circulars (May 22, 1950). https://fraser.stlouisfed.org/title/466/item/11058, accessed on August 18, 2026.