Federal Reserve Bank of St. Louis. "[American Bankers Association Check Mechanization Program]," Federal Reserve Bank of St. Louis Circulars (February 23, 1960). https://fraser.stlouisfed.org/title/958/item/37334, accessed on May 13, 2024.
Federal Reserve Bank of St. Louis. "[American Bankers Association Check Mechanization Program]," Federal Reserve Bank of St. Louis Circulars (February 23, 1960). https://fraser.stlouisfed.org/title/958/item/37334, accessed on May 13, 2024.