The web address of the Historical Vandalia is: http://www.vandaliaillinois.com/museum.htm
The web address of the Illinois Mennonite Historical And Genealogical Society is: http://eastpahistorians.mennonite.net
The web address of the Northern District Of Illinois Court Historical Association is: www.ilndhistory.uscourts.gov
The web address of the East Illinois Universitys Historical Administration Program is: eiuhapa.org
The web address of the Nauvoo Historical Society is: www.nauvoohistoricalsociety.org
The web address of the Palatine Historical Society is: palatinehistoricalsociety.com
The web address of the Chillicothe Historical Society is: www.chillicothehistorical.org
The web address of the Thebes Historical Society is: www.thebescourthouse.com
The web address of the Chicago Historical Society is: www.chicagohistory.org
The web address of the Manito Historical Society is: manitohistoricalsociety.com
The web address of the Winfield Historical Society is: winfieldhistory.com
The web address of the Berwyn Historical Society is: www.berwynhistoricalsociety.org
The web address of the Bourbonnais Grove Historical is: bourbonnaishistory.org