Federal Reserve Bank of New York. "336. New Counterfeit $20 Federal Reserve Note," Federal Reserve Bank of New York Circulars (January 12, 1921). https://fraser.stlouisfed.org/title/466/item/15085, accessed on June 2, 2024.
Federal Reserve Bank of New York. "336. New Counterfeit $20 Federal Reserve Note," Federal Reserve Bank of New York Circulars (January 12, 1921). https://fraser.stlouisfed.org/title/466/item/15085, accessed on June 2, 2024.