Federal Reserve Bank of New York. "4808. Offering of Two Series of Treasury Bills, $1,200,000,000 of 90-Day Bills, Additional Amount, $400,000,000 of 181-Day Bills," Federal Reserve Bank of New York Circulars (November 19, 1959). https://fraser.stlouisfed.org/title/466/item/12275, accessed on February 16, 2025.