Federal Reserve Bank of New York. "435. New Counterfeit $20 Federal Reserve Note," Federal Reserve Bank of New York Circulars (January 30, 1922). https://fraser.stlouisfed.org/title/466/item/15197, accessed on January 15, 2021.
Federal Reserve Bank of New York. "435. New Counterfeit $20 Federal Reserve Note," Federal Reserve Bank of New York Circulars (January 30, 1922). https://fraser.stlouisfed.org/title/466/item/15197, accessed on January 15, 2021.