- Illinois Native Peoples (Heinemann State Studies) by Andrew Santella, 2002-08
- Illinois (Celebrate the States) by Marlene Targ Brill, 2005-10
- Illinois (The United States) by Rich Smith, 2009-08-15
- Illinois (A First Book) by Alden R. Carter, 1987-10
- Illinois (His The new enchantment of America) by John Allan Carpenter, 1979-07
- It's My State!: Illinois by Claire Price-Groff, 2002-12
- Illinois (United States) by Paul Joseph, 1998-02
- Illinois (Land of Liberty) by Terri Sievert, 2003-01
- Illinois (States) by Judy Alter, 2003-01
- Constitution of the State of Illinois: Adopted in Convention May 13, 1870, Ratified By the People July 2, 1870, in Force August 8, 1870 : Amended in 1878, 1880, 1884, 1886 and 1890 (1900) by Illinois, 2009-07-08
- Illinois Negro historymakers by Carl G Hodges, 1969
- History of the Augustana Library 1860 1990: An International Treasure (Augustana Historical Society publication) by Conrad John Immanuel Bergendoff, 1990-06
- Guide to the Mineral Collections in the Illinois State Museum (1920 ) by Illinois State Museum, 2009-10-21
- Lincoln Centennial: Addresses Delivered At the Memorial Exercises Held At Springfield, Illinois, February 12, 1909, Commemorating the One Hundredth Birthday of Abraham Lincoln (1909) by Illinois. Lincoln Centennial Commission, 2009-07-08
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