| 1820 Federal Census Of Illinois | Lowell M. Volkel |
| 1820 Illinois Federal Population Census | Larry Bohannan |
| 1840 Illinois Census Index Volume 4 Counties McDonough – Rock Island | Maxine E. Wormer |
| 1850 Census Of Kane County Illinois | Patricia Pate Havlice |
| 1850 Morgan County Illinois Federal Census, Volume 1 | Eileen Gochanour |
| 1850 Morgan County Illinois Federal Census, Volume 2 | Eileen Gochanour |
| 1850 U.S. Census Bureau County Illinois | S-K Pubs |
| 1850 U.S. Census Carroll County Illinois | S-K Pubs |
| 1850 United States Census Of Piatt County Illinois | Mildred Fisher Hupp |
| 1850 US Census Rock Island County Illinois | John F. Schunk |
| 1850 US Census Whiteside County Illinois | John F. Schunk |
| 1855 Shelby County Illinois State Census | ns |
| 1860 Scott County Illinois Federal Census | Ilene H. Gochanour |
| 1880 Stark County Illinois Federal Census | Irene Berg |
| A Gazetteer Of Illinois 1837 | J. M. Peck |
| A History Of Elgin Academy Of Northwestern University 1856-1906 Kane County Illinois | L. K. Becker |
| A History Of Whiteside County Illinois | Wayne Bastain |
| A Record Of Land Owners In Pope County Illinois In The Early 1900’s | Ronald Nelson |
| A Yankee Private’s Civil War | Robert Hale Strong |
| Amish In Illinois Over One Hundred Years Of The “Old Order” Sect Of Central Illinois | Clyde Browning |
| Atlas Map Of Fulton County Illinois | Marjorie Turner-Rich Borner |
| Birth Index Of Macon County Illinois 1850-1900 | Decatur Genealogical Society |
| Births In Whiteside County Illinois 1861-1881, Whiteside Sentinel And Sterling Gazette | Jayne Kennedy Sweger |
| Cemetery Guide For Macon County Illinois | Robert Gehret Bowers |
| Chicago And Cook County Illinois A Gude To Research | Loretto Dennis Szucs |
| Cooperville Cathedral The Story Of Northminster | Robert L. Anderson |
| Deaths In Whiteside County Illinois 1856-1882 | Jayne Kennedy Sweger |
| Dekalb County Illinois Cemeteries Franklin Township | Genealogical Society Dekalb County |
| Dekalb County Illinois Interesting Views of Public Buildings, Schools, Clubs, Churches, Residences, Parks, Street Views And Industries Of The City | Dekalb Commercial Club |
| DeWitt County Illinois Cemetery Inscriptions Volume 2 | ns |
| DeWitt County Illinois Cemetery Inscriptions Volume 3 Part 1 | ns |
| DeWitt County Illinois Cemetery Inscriptions Volume 3 Part 2 And Index | ns |
| DeWitt County Illinois Census 1840 Cemetery Inscriptions | Jean Hauffe |
| Early American Series Early Illinois Volume 1 1787-1819 | Ronald V. Jackson |
| Fayette County Illinois Census 1830, 1840 | Mrs. Grace Middlesworth |
| Franklin County Illinois Land Atlas And Plat Book | Rockford Map Publishers |
| Genealogy Society Of Southern Illinois Ancestor Charts Volume 1 | Genealogy Society Of Southern Illinois |
| Genealogy Society Of Southern Illinois Ancestor Charts Volume 2 | Genealogy Society Of Southern Illinois |
| Genealogy Society Of Southern Illinois Ancestor Charts Volume 3 | Genealogy Society Of Southern Illinois |
| Genealogy Society Of Southern Illinois Ancestor Charts Volume 4 | Genealogy Society Of Southern Illinois |
| Glimpses Of Glory The Regimental History Of The 61st Illinois Volunteers With Regimental Roster | Drew D. Dukett |
| Grand Army Of The Republic Department Of Illinois Transcription Of The Death Rolls 1879-1947 | Dennis Northcott |
| Handbook Of Illinois Government 1985-1986 | Jim Edgar |
| Illinois 1790 Census Index | Ronald V. Jackson |
| Illinois 1810 Census Index | Ronald V. Jackson |
| Illinois 1818 Census Index | Ronald V. Jackson |
| Illinois 1820 Federal Census Index | Ronald V. Jackson |
| Illinois 1825 Census Index | Ronald V. Jackson |
| Illinois 1830 State Census | Ronald V. Jackson |
| Illinois 1835 State Census Index | Ronald V. Jackson |
| Illinois 1840 Census Index Volume 1 Counties Adams – Dupage | Maxine E. Wormer |
| Illinois 1840 Census Index Volume 2 Counties Edgar – Jefferson | Maxine E. Wormer |
| Illinois 1840 Census Index Volume 3 Counties Jersey – Marshall | Maxine E. Wormer |
| Illinois 1840 Census Index Volume 5 Counties Sangamon – Winnebago | Maxine E. Wormer |
| Illinois 1860 Mortality Census Index | Ronald V. Jackson |
| Illinois 1870 Census Index Volume 01 A-Cunrod | Raeone C. Steuart |
| Illinois 1870 Census Index Volume 02 Cuns-Herminghaus | Raeone C. Steuart |
| Illinois 1870 Census Index Volume 03 Hermis-McSwarth | Raeone C. Steuart |
| Illinois 1870 Census Index Volume 04 McSwayn-Seipee | Raeone C. Steuart |
| Illinois 1870 Census Index Volume 05 Seipel-Z | Raeone C. Steuart |
| Illinois Atlas Of Historical County Boundaries | Gordon DenBoer |
| Illinois Blue Book 1983-1984 | Jim Edgar |
| Illinois Census Returns 1820 | Margaret Norton |
| Illinois County Boundary Changes | Internet |
| Illinois Directory Of Amish Communities 2003 | LaVern Schlabach |
| Illinois Genealogical Society Directory | Ray Gooldy |
| Illinois Marriage Returns Mercer County Illinois | Henry C. Hallowell |
| Index To Combination Atlas Map Of DeKalb County Illinois 1871 | Florence Haughton Marshall |
| Index To The Macon County Illinois Marriage Records 1861-1870 Volume 3 | ns |
| Jacksonville Morgan County Illinois Genealogy Journal 1980 | Jacksonville Area Genealogical And Historical Society |
| Jefferson County Illinois Land Atlas And Plat Book 1981-1982 | Rockford Map Publishers |
| Kane County Illinois Official Farm Plat Book And Directory | County Plat And Directory Co. |
| Keepers Of The Seal A History Of Illinois Secretaries Of State | Michael Howlett |
| Land Atlas And Plat Book 1985 Marion County Illinois | Rockford Publishing |
| Lower Illinois Valley Color Me Greene County Illinois | Ilene Smith Cunningham |
| Lower Illinois Valley Limestone Houses | Ilene Smith Cunningham |
| Macon County Illinois 1850 Federal Census | Jean Hauffe |
| Macon County Illinois Cemetery Inscriptions Volume 1 | Decatur Genealogical Society |
| Macon County Illinois Inscriptions Decatur-Greenwood Cemetery Volume 10 | Decatur Genealogical Society |
| Macon County Illinois Marriage Records 1861-1870 Volume 3 | DGS |
| Macoupin County Illinois 1860 Federal Census | Littleton P. Bradley |
| MAP Atlas Illustrated Atlas Map Of Montgomery County Illinois 1874 | Brink, McCormick And Company |
| Map Of Bureau County Illinois With Sketches Of Its Early Settlement | N. Matson |
| Marley Cemetery Edgar County Illinois | ns |
| Marriages In Whiteside County Illinois 1856-1882 | Jayne Kennedy Sweger |
| McDonough County Illinois Marriages Volume 01 1830-1854 | McDonough County Historical Society |
| McDonough County Illinois Marriages Volume 02 1855-1863 | McDonough County Historical Society |
| McDonough County Illinois Marriages Volume 03 1864-1871 | McDonough County Historical Society |
| McLean County Illinois Marriages 1831-1841 | Milo Custer |
| Montgomery County Illinois 1860 Census and Mortality Schedule | Montgomery County Genealogical Society |
| Montomery County Illinois Genealogical Society Ancestor Index 1982 | Montgomery County Genealogical Society |
| Old Cemeteries Of Cass County Illinois | Arthur Crumrin |
| Origin And Evolution Of Illinois Counties | Jim Edgar |
| Pioneer Cemetery Dover Bureau County Illinois | Elizabeth Cass |
| Pioneers And Old Settlers Of Greene County Illinois | Ilene Smith Cunningham |
| Poll Book 1826 Peoria County Illinois | John L. Bogardus |
| Pope County Illinois 1845, 1855, 1865 State Census | Judy Foreman Lee |
| Pope County Illinois 1850 Federal Census | Maxime E. Wormer |
| Pope County Illinois Cemeteries Volume 4 | E. M. Woodworth |
| Pope County Illinois County Court Record Book A 1816-1831 | Carolyn C. Foss |
| Pope County Illinois History and Families Volume 1 1986 | Pope County Historical Society |
| Pope County Illinois History and Families Volume 2 1989 | Pope County Historical Society |
| Pope County Illinois Marriage Books A-E 1813-1877 Volume I | Judy Foreman Lee |
| Pope County Illinois Marriage Register A-1 1878-1888 Volume 2 | Judy Foreman Lee |
| Pope County Illinois Marriage Register A-1 1888-1898 Volume 3 | Judy Foreman Lee |
| Pope County Illinois Marriage Register A-1 And Marriage Record Book B Jan. 1898-Dec. 1909 With Annotations Volume 4 | Judy Foreman Lee |
| Pope County Illinois Marriages 1816-1839 | Janet Schonert |
| Pope County Illinois Obits And Tidbits Volume 1 | Carolyn C. Foss |
| Pope County Illinois Obits And Tidbits Volume 2 | Carolyn C. Foss |
| Probate Act As Effective January 1, 1984 Illinois | Jim Edgar |
| Project Success Pope County Illinois Guide To Going Local 2000 | ns |
| Rock Island Confederate Prison Deaths | Clifford W. Stephens |
| Rock Island County Illinois Will Abstracts Book A 1837-1864, Book B 1864-1887 and Marriage Returns Book A 1833-1843 | Janet K. Pease |
| Rock Island County Illinois Will Abstracts Book C 1867-1883 | Janet K. Pease |
| Rock Island County Illinois Will Abstracts Book D 1883-1891 | Janet K. Pease |
| Sangamon County Illinois 1850 Census 1850 Mortality Schedule | Sangamon County Genealogical Society |
| Shelby County Illinois Cemeteries Inscriptions Volume 1 | Decatur Genealogical Society |
| Shelby County Illinois Cemeteries Inscriptions Volume 3 | Decatur Genealogical Society |
| Shelby County Illinois Census 1830 Index To Moweaqua Remembers | Mrs. Trella Hall |
| Shelby County Illinois Supplement To History Biographies And Excerpts To History Biographies, List Persons Mentiones In Townships, Patron And Plat Book, History Of Sanner Chapel | Mrs. Grace Middlesworth |
| Society Of Mayflower Descendants In The State Of Illinois Publication Number 3 | ns |
| Society Of Mayflower Descendants In The State Of Illinois Publication Number 4 | The Lakeside Press |
| Springfield Illinois The Official 2007 Visitors Guide | ns |
| Surname Index Peoria County Illinois | Peoria Genealogical Society |
| The Journal And The 114th 1861-1865 Illinois | John L. Satterlee |
| The Patriot Souvenir Edition Celebrating The 75th Anniversary Of Carrollton And Greene County Illinois | Ilene Smith Cunningham |
| The Pioneers Of Winnebago And Boone Counties Illinois Who Came Before 1841 | Katherine Rowland |
| The Saga Of Southern Illinois Volume 6 Number 1 | Genealogy Society of Southern Illinois |
| The Story Of The Fifty-Fifth Regiment Illinois Volunteer Infantry In The Civil War 1861-1865 | Committee Of The Regiment |
| Three Years WithTthe 92nd Illinois The Civil war Diary Of John M. King | Claire E. Swedberg |
| Through The South With A Union Soldier | Arthur H. DeRosier, Jr. |
| Twenty-Eighth Infantry Regiment | Photocopy |
| U.S. Federal Census 1850 Coles County Illinois | Mary Greeson |
| United States 1830 Madison County Illinois | Nelda Streleski |
| United States Census 1830 Clinton County Illinois | Mavis Wike |
| United States Census 1840 Shelby County Illinois | T. M. Hall |
| United States Census 1850 Calhoun County Illinois | Mavis Wike |
| United States Census 1850 Crawford County Illinois | Martin And Delores Puckett |
| United States Census 1850 DeWitt County Illinois | Jean Hauffe |
| United States Census 1850 Fayette County Illinois | Mrs. Grace Middlesworth |
| United States Census 1850 Shelby County Illinois | Gene & Darlene Daniels |
| United States Census 1850 White County Illinois | Martin And Dolores Puckett |
| United States Census 1850 Williamson County Illinois | Jean Hauffe |
| United States Census 1860 Macon County, Illinois Part 1 | Cheri Hunter |
| United States Census 1860 Macon County, Illinois Part 2 And Indez | ns |
| Unrivaled Chicago | McNally |
| War of 1812 Bounty Lands in Illinois | ns |