Federal Reserve Bank of Dallas. "New Style Canal Zone Postal Money Order, Circular No. 78-122," District Notices (Federal Reserve Bank of Dallas) (August 30, 1978). https://fraser.stlouisfed.org/title/5569/item/542531, accessed on May 3, 2024.
Federal Reserve Bank of Dallas. "New Style Canal Zone Postal Money Order, Circular No. 78-122," District Notices (Federal Reserve Bank of Dallas) (August 30, 1978). https://fraser.stlouisfed.org/title/5569/item/542531, accessed on May 3, 2024.