Federal Reserve Bank of New York. "4421. 3 3/8 Percent Treasury Certificates of Indebtedness of Series A-1958 Offered in Exchange For 2 5/8 Percent Treasury Certificates of Indebtedness of Series A-1957, or 2 7/8 Percent Treasury Notes of Series A-1957, or 1 1/2 Percent Treasury Notes of Series EA-1957, 3 1/2 Percent Treasury Notes of Series A-1960 Offered in Exchange for 2 5/8 Percent Treasury Certificates of Indebtedness of Series A-1957, or 2 7/8 Percent Treasury Notes of Series A-1957," Federal Reserve Bank of New York Circulars (February 4, 1957). https://fraser.stlouisfed.org/title/466/item/11882, accessed on March 13, 2025.