Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of United Investments Corp. for United American State Bank and Trust Co. and approval of merger of Sierra Petroleum Co., Inc., with United Investments Corp." in Press Releases of the Board of Governors of the Federal Reserve System
(June 7, 1976).
https://fraser.stlouisfed.org/title/9237/item/693571, accessed on January 12, 2026.