Federal Reserve Bank of Dallas. "[Third Supplement to Treasury Department Circular No. 905, Fifth Revision; Fourth and Fifth Supplements to Circular No. 653, Eighth Revision], Circular No. 73-197," District Notices (Federal Reserve Bank of Dallas) (August 7, 1973). https://fraser.stlouisfed.org/title/5569/item/545164, accessed on February 2, 2025.