Federal Reserve Bank of New York. "5960. United States Savings Notes," Federal Reserve Bank of New York Circulars (March 21, 1967). https://fraser.stlouisfed.org/title/466/item/13640, accessed on April 19, 2024.
Federal Reserve Bank of New York. "5960. United States Savings Notes," Federal Reserve Bank of New York Circulars (March 21, 1967). https://fraser.stlouisfed.org/title/466/item/13640, accessed on April 19, 2024.