Federal Reserve Bank of Dallas. "[Reserves of Member Banks, (Amendment to Regulation D) Amending Bulletin No. 4, and Procedures Effective 9-12-68], Circular No. 68-169,"
District Notices (Federal Reserve Bank of Dallas)
(August 9, 1968).
https://fraser.stlouisfed.org/title/5569/item/543880, accessed on March 2, 2025.