Federal Reserve Bank of Dallas. "1960 Dates for Savings Bond Validating & Payment Stamps," District Notices (Federal Reserve Bank of Dallas) (November 27, 1959). https://fraser.stlouisfed.org/title/5569/item/551718, accessed on April 19, 2024.
Federal Reserve Bank of Dallas. "1960 Dates for Savings Bond Validating & Payment Stamps," District Notices (Federal Reserve Bank of Dallas) (November 27, 1959). https://fraser.stlouisfed.org/title/5569/item/551718, accessed on April 19, 2024.