Encyclopedia of Arkansas History and CultureFrom the "about" page, "The CALS Encyclopedia of Arkansas is a project of the Central Arkansas Library System (CALS) in Little Rock, Arkansas. It is the only state encyclopedia in the country to be produced by a library system. The CALS Encyclopedia of Arkansas strives to offer a definitive, comprehensive, and accurate record of America’s twenty-fifth state. The mission of this free online encyclopedia is to collect and disseminate information on all aspects of the state’s history and culture and to provide a comprehensive reference work for historians, teachers, students, and others seeking to understand and appreciate Arkansas’s heritage."