Federal Reserve Bank of Dallas. "Cash Offering - Treasury Department Circular Nos. 994, 995 and 996. 4% Treasury Bonds of 1969. 4% Treasury Certificates of Indebtedness of Series C-1958.,"
District Notices (Federal Reserve Bank of Dallas)
(September 13, 1957).
https://fraser.stlouisfed.org/title/5569/item/551203, accessed on August 10, 2026.