Federal Reserve Bank of Dallas. "Check Routing Symbol," District Notices (Federal Reserve Bank of Dallas) (July 3, 1952). https://fraser.stlouisfed.org/title/5569/item/550205, accessed on March 28, 2024.
Federal Reserve Bank of Dallas. "Check Routing Symbol," District Notices (Federal Reserve Bank of Dallas) (July 3, 1952). https://fraser.stlouisfed.org/title/5569/item/550205, accessed on March 28, 2024.