1840 Federal Census, Brown County, IL. Versailles Area Genealogical & Historical Society Published: 19?? Total Pages: 55 Get eBook
1850 United States Census, Brown County, Illinois John Frederick Schunk Published: 1988 Total Pages: Get eBook
1840 Federal Census of Lake County, Illinois Libertyville-Mundelein Historical Society. Genealogy Group Published: 1978 Total Pages: 108 Get eBook
1840 Federal Census of Williamson County, Illinois Helen Sutt Lind Published: 200? Total Pages: 77 Get eBook
1840 Federal Census, Coles County, Illinois Rose Jones Talbott Published: 1984 Total Pages: 142 Get eBook
1820-1840 Federal and State Census Records, Edwards County, Illinois Edwards County Historical Society (Ill.) Published: 19?? Total Pages: Get eBook