The Early National Period:
The Illinois Frontier - 1783-1833 

• Introduction
• The Northwest Ordinance - 1787
  (Avalon Project at Yale University)
• Census of Kaskaskia - 1787 (Internet Archive)
  (Illinois Trails History and Genealogy)
• Treaty of Greenville - 1795
  (Avalon Project at Yale University)
• Pierre Menard House, Chester Illinois - ca. 1800
  (Photograph by Dr. Jean Kadel - Illinois Mathematics and Science Academy)
• Names of Early Illinois Settlers - 1809 (Internet Archive)
  (Illinois Trails History and Genealogy)
• Reports of the Activities of the Missouri Fur Company - 1810
  (Library of Western Fur Trade Historical Source Documents)
• Fort Dearborn Massacre - 1812
  (Hillsdale College)
• Ferdinand Ernst - "Travels in Illinois in 1819"
  (RiverWeb Research Project at University of Illinois, Urbana-Champaign)
• Treaty of Prairie du Chien - 1825
  (The Lakota Dakota Information Home Page at Creighton University)
• Treaty with the Chippewa - 1829
  (Oklahoma State University Digital Library)
• The Black Hawk War I - 1832
  (Wisconsin Historical Society)
• The Black Hawk War II - 1832 (Internet Archive)
  (Abraham Lincoln Historical Digitization Project at Northern Illinois University)
• Black Hawk Surrender Speech - 1832
  (InfoUSA - US Department of State)
• Chief Black Hawk Autobiography - 1833
  (Modern History Sourcebook at Fordham University)
• Treaty of Chicago - 1833
  (Norther Illinois University Libraries)
• Hall on Frontier Outlaws - 1835
  (Hardin County, IL - Folklore, Genealogy, and History Site)
• Supreme Court of Illinois - Choisser v. Hargrave - 1836
  (Choisser Family Homepage)
• Elijah Parish Lovejoy, "A Martyr on the Altar of American Liberty" - 1837
  (Altonweb)
• Mrs. John H. Kinzie, Wau-Bun, the "Early Day" in the Northwest - 1855
  (Wisconsin Electronic Reader at University of Wisconsin-Madison)
• Journals, Diaries, Biographies, and Autobiographies of Some Early Mormons...
  (Book of Abraham Project at Brigham Young University)