Six multi-county, two city-county, and six county libraries serve 42 counties, while five bookmobiles aid in serving counties without libraries of their own. In 2000 a total of 6,383,236 volumes occupied public library shelves; total circulation was 16,214,000. The Five Civilized Tribes Museum Library in Muskogee has a large collection of Indian documents and art, while the Cherokee archives are held at the Cherokee National Historical Society in Tahlequah. The Morris Swett Library at Ft. Sill has a special collection on military history, particularly field artillery. The Oklahoma Department of Libraries in Oklahoma City has holdings covering law, library science, Oklahoma history, and other fields. Large academic libraries include those of the University of Oklahoma (Norman), with 3,642,653 volumes and 10,496 periodical subscriptions in 1998, and Oklahoma State University Library (Stillwater), with 2,025,168. Total public library income in 2000 was $61,141,000, including $550,269 in federal grants and $1,834,230 in state grants. Per capita spending was $14.87.
Oklahoma has 113 museums and historic sites. The Philbrook Art Center in Tulsa houses important collections of Indian, Renaissance, and Oriental art. Also in Tulsa are the Thomas Gilcrease Institute of American History and Art. Major museums in Norman are the University of Oklahoma's Museum of Art and the Stovall Museum of Science and Industry. The Oklahoma Art Center, National Cowboy Hall of Fame and Western Heritage Center, Oklahoma Heritage Association, Oklahoma Historical Society Museum, Oklahoma Museum of Art, State Museum of Oklahoma, and the Omniplex Science Museum are major attractions in Oklahoma City. Other museums of special interest include the Museum of the Great Plains in Lawton, the Will Rogers Memorial in Claremore, Cherokee National Museum in Tahlequah, and the Woolaroc Museum in Bartlesville.