Federal Reserve Bank of Dallas. "[Wire From Treasury Re: Checks Drawn on Treasurer of U.S. Dated 1-1-74. Symbol 4001, Released Unsigned, Issued as Supplemental Security Income Payments.], Circular No. 74-7," District Notices (Federal Reserve Bank of Dallas) (January 4, 1974). https://fraser.stlouisfed.org/title/5569/item/544326, accessed on February 3, 2025.