Federal Reserve Bank of St. Louis. "[Announcement Regarding Arvest Bank Group, Inc., Bentonville, Arkansas; First Bancshares, Inc., Bartlesville, Oklahoma; State Bank and Trust; Arvest State Bank, Tulsa, Oklahoma]," Federal Reserve Bank of St. Louis News Releases (June 22, 2000). https://fraser.stlouisfed.org/title/6265/item/654556, accessed on January 20, 2025.