Federal Reserve Bank of St. Louis. "New Series of Federal Reserve Notes," Federal Reserve Bank of St. Louis Circulars (April 16, 1951). https://fraser.stlouisfed.org/title/958/item/37411, accessed on April 25, 2024.
Federal Reserve Bank of St. Louis. "New Series of Federal Reserve Notes," Federal Reserve Bank of St. Louis Circulars (April 16, 1951). https://fraser.stlouisfed.org/title/958/item/37411, accessed on April 25, 2024.