Indiana
- History
- Blackford County Historical Society
- Canal Society of Indiana
- Cass County Historical Society & Museum
- Civil War Indiana
- Civil War Indiana - Photographs
- Conner Prairie Living History Museum
- Conner Prairie's History Online
- County History Preservation Society
- Cyndi's List of Genealogy Sites on the Internet: Indiana
- Dearborn County Historical Society
- Fulton County Historic Society
- Google: Indiana - History
- Historic Landmarks Foundation of Indiana
- Historic Southern Indiana
- Indiana Biographies
- Indiana Biography Index
- Indiana Historic Architecture
- Indiana Historical Bureau
- Indiana Historical Societies
- Indiana Historical Society
- Indiana Historical Society Digital Image Collections
- Indiana Historical Society Library Catalog
- Indiana Magazine of History
- Indiana Migrations Project
- Indiana Pioneer Cemeteries Restoration Project
- Indiana Preservation Organizations
- Indiana State Archives
- Indiana State Library Databases
- Indiana State Museum
- Indianapolis Donation Database
- INGenWeb
- Monroe County Historian
- Naturalization Database
- Northern Indiana Center for History
- Notre Dame History
- OldenTimes.com: Old Indiana News
- Public Records Retention Schedule Database
- Repositories of Primary Sources: Indiana
- Ripley County Historical Society
- Society of Indiana Pioneers
- Tippecanoe County Historical Association
- Whitley County Historical Society
- World War II Veterans Database
- Yahoo!: Indiana - History