Federal Reserve Bank of New York. "3216. Offering of 7/8 Percent Treasury Certificates of Indebtedness of Series E-1948 in Exchange for 7/8 Percent Treasury Certificates of Indebtedness of Series E-1947," Federal Reserve Bank of New York Circulars (May 21, 1947). https://fraser.stlouisfed.org/title/466/item/10722, accessed on September 15, 2026.