Federal Reserve Bank of New York. "5085. Offering of Two Series of Treasury Bills, $1,100,000,000 of 91-Day Bills, Additional Amount, $600,000,000 of 182-Day Bills," Federal Reserve Bank of New York Circulars (September 13, 1961). https://fraser.stlouisfed.org/title/466/item/12428, accessed on September 14, 2026.