South Dakota
- History
- 1885 Dakota Territory Census
- 1895 Atlas: South Dakota
- American History and Genealogy Project: South Dakota
- Black Hills. A Minute Description of the Routes (1876)
- Cyndi's List of Genealogy Sites on the Internet: South Dakota
- Dakota Experience
- Dakota Profiles
- Dakota Territory 1860 Census
- Dalesburg's Heritage
- Earthquake History of South Dakota
- GeneaSearch: South Dakota
- Google: South Dakota - History
- Historical Museum Guide for South Dakota
- History of Day County From 1873 to 1926
- Illustrated Album of Biography (1897)
- Kindred Trails: South Dakota
- Lewis & Clark in South Dakota
- Lewis & Clark Trail: South Dakota
- Native American & Northern Plains Historical Resources Guide
- Perry-Castaņeda Library Map Collection: South Dakota
- Political Graveyard: South Dakota
- Repositories of Primary Sources: South Dakota
- SDGenWeb
- SDGenWeb Ancestors
- SDGenWeb Archives
- Seeing Potter County
- South Dakota Birth Records - Over 100 Years Old
- South Dakota Bureau of Land Management Database
- South Dakota Cemeteries
- South Dakota Census Records
- South Dakota City Directories
- South Dakota Ghost Towns
- South Dakota Historical Societies
- South Dakota Land of Vision
- South Dakota Memory Project
- South Dakota Migrations
- South Dakota Museums Guide
- South Dakota Obituary Links
- South Dakota Oral History Center
- South Dakota State Historical Society
- South Dakota State Newspapers
- South Dakota Tornadoes 1950-1995
- Tribes and Villages of South Dakota
- Union County Historical Society
- United States Resources: South Dakota
- Who's Who in South Dakota Volume I (1911-12)
- Yahoo!: South Dakota - History