The Oklahoma Historical Society (OHS) is an agency of the government of Oklahoma dedicated to promotion and preservation of Oklahoma's history and its people by collecting, interpreting, and disseminating knowledge and artifacts of Oklahoma. The mission of the OHS is to collect, preserve, and share the history and culture of the state of Oklahoma and its people. The society has the rare distinction of being both a Smithsonian Institution and National Archives and Records Administration affiliate. Source: Wikipedia (en)