The battlefield also includes several features besides those on the tour road. One of these is the John K. and Ruth Hulston Civil War Research Library, which was founded in 1985. The library contains over 12,000 books about the Civil War, with an emphasis on the Trans-Mississippi Theater. The library also has digital access to Civil War genealogical information and some regimental histories. Also on the battlefield site is the Wilson's Creek Civil War Museum (formerly known as the General Sweeny Museum), which contains artifacts and exhibits relating to the Trans-Mississippi Theater of the American Civil War.