Federal Reserve Bank of New York. "4866. Offering of Two Series of Treasury Bills, $1,100,000,000 of 91-Day Bills, Additional Amount, $500,000,000 of 182-Day Bills," Federal Reserve Bank of New York Circulars (March 31, 1960). https://fraser.stlouisfed.org/title/466/item/12390, accessed on February 16, 2025.