Federal Reserve Bank of Dallas. "[First Amendments to Treasury Department Circular No. 653, Seventh Revision; Treasury Department Circular No. 905, Fourth Revision; and Treasury Department Circular, Public Debt Series No. 1-63],"
District Notices (Federal Reserve Bank of Dallas)
(June 24, 1966).
https://fraser.stlouisfed.org/title/5569/item/552280, accessed on July 20, 2026.