This presidential library in Springfield, Illinois is part of the Illinois Historic Preservation Agency and is a public, non-circulating research facility that contains the world-renowned Abraham Lincoln collection. It also serves as the state’s chief repository and research facility for all aspects of Illinois history.

The Encyclopedia of Chicago, a partnership between the Chicago History Museum, The Newberry Library, and Northwestern University, is a dynamic online encyclopedia that compiles thousands of historical resources related to the city of Chicago including articles, photos, maps, broadsides and newspapers.

Illinois.gov is the gateway to Illinois state government web sites and information; includes selected resources on federal, county and local government.

The Illinois Digital Archives hold the digital collections of the Illinois State Library as well as the digitized collections of other library and cultural institutions around the state.

The Illinois State Historical Society was founded in 1899 to support the Illinois State Historical Library and to encourage research and writing on subjects of Illinois history. Though independent of the State of Illinois and the Historical Library since 1997, the Illinois State Historical Society continues to actively promote the study of Illinois history.

This site holds an extensive collection of online exhibits in the areas of anthropology, art, botany, geology, history and zoology, materials that “tell the story of the land, life, people, and art of Illinois”.

The fundamental purpose of the NPS is to conserve the scenery and the natural and historic objects and the wild life therein and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations. The NPS provides highlights, statistics, and a list of national parks for Illinois.