Federal Reserve Bank of Dallas. "1956 Dates for Savings Bond Validating and Payment Stamps," District Notices (Federal Reserve Bank of Dallas) (December 2, 1955). https://fraser.stlouisfed.org/title/5569/item/550933, accessed on April 17, 2024.
Federal Reserve Bank of Dallas. "1956 Dates for Savings Bond Validating and Payment Stamps," District Notices (Federal Reserve Bank of Dallas) (December 2, 1955). https://fraser.stlouisfed.org/title/5569/item/550933, accessed on April 17, 2024.