Federal Reserve Bank of New York. "6067. Revisions of Treasury Department Circulars Nos. 21 and 92," Federal Reserve Bank of New York Circulars (November 28, 1967). https://fraser.stlouisfed.org/title/466/item/13801, accessed on May 17, 2024.
Federal Reserve Bank of New York. "6067. Revisions of Treasury Department Circulars Nos. 21 and 92," Federal Reserve Bank of New York Circulars (November 28, 1967). https://fraser.stlouisfed.org/title/466/item/13801, accessed on May 17, 2024.