Federal Reserve Bank of Dallas. "[Revised Bulletin 8, Supplement a to Bulletin 10 & Revised Pages 2 & 4 to Bulletin 11, Effective 1-1-75], Circular No. 74-343," District Notices (Federal Reserve Bank of Dallas) (December 19, 1974). https://fraser.stlouisfed.org/title/5569/item/544660, accessed on February 3, 2025.