Federal Reserve Bank of Dallas. "[Check Routing Symbol Plan]," District Notices (Federal Reserve Bank of Dallas) (May 25, 1955). https://fraser.stlouisfed.org/title/5569/item/550885, accessed on April 19, 2024.
Federal Reserve Bank of Dallas. "[Check Routing Symbol Plan]," District Notices (Federal Reserve Bank of Dallas) (May 25, 1955). https://fraser.stlouisfed.org/title/5569/item/550885, accessed on April 19, 2024.