Federal Reserve Bank of New York. "4977. Offering of Two Series of Treasury Bills, $1,000,000,000 of 91-Day Bills, Additional Amount, $500,000,000 of 182-Day Bills," Federal Reserve Bank of New York Circulars (December 16, 1960). https://fraser.stlouisfed.org/title/466/item/12490, accessed on October 8, 2024.