Federal Reserve Bank of New York. "5110. 3 7/8% Treasury Bonds of 1968, Additional Issue Offered at 99.50 in Exchange for Series F or G Savings Bonds Issued in 1950, Maturing in 1962,"
Federal Reserve Bank of New York Circulars
(November 17, 1961).
https://fraser.stlouisfed.org/title/466/item/12540, accessed on March 10, 2026.