With a little bit of searching you can find many books, articles and databases at Ancestry. Some are free others require a membership.
Articles
History
- Shelbyville, Indiana Directory and Shelby County, Indiana Gazetteer, 1892-93
- Counties of Morgan, Monroe and Brown, Indiana
- Biographical record of Bartholomew County, Indiana
- Early life and times in Boone County, Indiana
- Gazetteer of the St. Joseph Valley, Michigan and Indiana
- Historical sketches and reminiscences of Madison County, Indiana
- A historical sketch of Johnson County, Indiana
- History of Knox and Daviess Counties, Indiana
- Lake County, Indiana
- Lake County, Indiana, 1884
- Hazzard’s history of Henry County, Indiana
- Historical sketch of Huntington County, Indiana
- Counties of Howard and Tipton, Indiana
- History of Greene and Sullivan Counties, state of Indiana
- History of Henry County, Indiana
- History of Wabash County, Indiana
- History of Fayette County, Indiana
- Counties of White and Pulaski, Indiana
- History of Vanderburgh County, Indiana
- History of Vigo County, Indiana
- Indiana and Indianans
- Chadwick’s history of Shelby County, Indiana
- A history of Evansville and Vanderburgh County, Indiana
- Counties of La Grange and Noble, Indiana
- Caleb Mills and the Indiana school system
- History of the Republican Party of Indiana
- History of Posey County, Indiana
- History of Porter County, Indiana
- History of Miami County, Indiana
- History of Hendricks County, Indiana
- History of Dearborn County, Indiana
- Counties of Whitley and Noble, Indiana
- Military Records
- Native American Records
- Newspapers
- Fort Wayne News (Fort Wayne, Indiana)
- Fort Wayne Daily News, The (Fort Wayne, Indiana)
- Fort Wayne Daily Sentinel (Fort Wayne, Indiana)
- Indianapolis Sunday Star, The (Indianapolis, Indiana)
- Fort Wayne Weekly Sentinel (Fort Wayne, Indiana)
- Times (Hammond, Indiana)
- Hammond Times (Hammond, Indiana)
- Indiana Evening Gazette (Indiana, Pennsylvania)
- Indiana Weekly Messenger (Indiana, Pennsylvania)
- Indiana Gazette (Indiana, Pennsylvania)
- Indiana Progress (Indiana, Pennsylvania)
- Indiana Messenger (Indiana, Pennsylvania)
- Indiana Democrat (Indiana, Pennsylvania)
- Indiana County Gazette (Indiana, Pennsylvania)
- Dawson’s Fort Wayne Weekly Times (Fort Wayne, Indiana)
- Dawson’s Daily Times and Union (Fort Wayne, Indiana)
- Indianapolis Daily Star, The (Indianapolis, Indiana)
- Indianapolis Star, The (Indianapolis, Indiana)
- Fort Wayne Gazette, The (Fort Wayne, Indiana)
- Fort Wayne Daily Gazette (Fort Wayne, Indiana)
- Daily Gazette, The (Fort Wayne, Indiana)
- Fort Wayne Weekly Gazette (Fort Wayne, Indiana)
- Fort Wayne News, The (Fort Wayne, Indiana)
- Weekly Sentinel (Fort Wayne, Indiana)
- Fort Wayne Sentinel, The (Fort Wayne, Indiana)
- Fort Wayne Journal Gazette (Fort Wayne, Indiana)
- Dawson’s Fort Wayne Daily Times (Fort Wayne, Indiana)
- Church Records
- Vital Records
- Indiana Marriages, 1802-1892
- Indiana Deaths, 1882-1920
- Montgomery County, Indiana Index to Birth Records, 1882-1920
- Wayne County, Indiana Death Records Index, 1882-1920
- Greene County, Indiana Death Records Index, 1893-1920
- Jasper County, Indiana Marriages, 1850-1920
- Johnson County, Indiana Index to Death Records, 1882-1920
- Hammond, Lake County, Indiana Index to Death Records, 1882-1920
- Nappanee, Elkhart County, Indiana Index to Birth Records, 1907-20
- Goshen, Elkhart County, Indiana Index to Death Records, 1882-1920
- Orange County, Indiana Index to Death Records, 1882-1920
- Wells County, Indiana Index to Death Records, 1883-1920
- Jasper County, Indiana Index to Death Records, 1882-1920
- Greene County, Indiana Index to Birth Records, 1885-1920
- Washington County, Indiana Index to Death Records, 1882-1920
- Lake County, Indiana Index to Birth Records, 1882-1920
- Warren County, Indiana Index to Death Records, 1882-1920
- Gary, Lake County, Indiana Index to Death Records, 1908-1920
- Elkhart County, Indiana Index to Birth Records, 1882-1920
- Harrison County, Indiana Index to Death Records, 1882-1920
- Whiting, Lake County, Indiana Index to Birth Records, 1899-1920
- Starke County, Indiana Index to Death Records, 1894-1938
- Lagrange County, Indiana Index to Birth Records, 1882-1920, Volume I
- Lake County and Crown Point, Indiana Index to Birth Records, 1921-41
- Jasper County, Indiana Index to Birth Records, 1882-1920
- Fort Wayne Gazette (Fort Wayne, Indiana)
- Tipton County, Indiana Death Records Index, 1882-96
- Clinton County, Indiana Index to Birth Records, 1882-1920, Volume I-II
- Bartholomew County, Indiana Index to Birth Records, 1883-1920, Volume I
- Pulaski County, Indiana Index to Birth Records, 1882-1920
- Directories
- The Indiana gazetteer, or, Topographical dictionary of the state of Indiana
- Grant County, Indiana Directory, 1901-02
- Johnson County, Indiana Directory, 1890
- Lawrence County, Indiana Directory, 1890
- Posey County, Indiana Directory, 1882
- Muncie, Indiana Directory, 1893
- Michigan City, Indiana Directories, 1890-91, 1893-94
- Valparaiso, Indiana Directory, 1885-86, 1890
- Portland, Indiana Directory, 1897
- Huntington, Indiana Directory, 1897-98
- Hammond, Indiana Directory, 1891-92
- Allen County, Indiana Directory, 1890
- Elkhart, Indiana Directory, 1890
- La Porte County, Indiana Directory, 1896
- Anderson, Indiana Directory, 1889-90
- Terre Haute, Indiana Directories, 1890, 1892
- Lafayette, Indiana Directories, 1885-88, 1891
- Evansville, Indiana Directories, 1888-92
- Indianapolis, Indiana Directories, 1887-90
- Tippecanoe County, Indiana Farmer’s Directory, 1919
- Montgomery County, Indiana Farmer Directory, 1920