Oklahoma
- History
- 100 Years of Oklahoma Governors
- 1890 Oklahoma Territory Census Index
- 1895 Atlas: Oklahoma
- American Local History Network: Oklahoma
- Bixby Historical Society
- Cherokee Heritage Center
- Civil War Rosters: Oklahoma
- Cyndi's List of Genealogy Sites on the Internet: Oklahoma
- Earthquake History of Oklahoma
- Encyclopedia of Oklahoma History & Culture
- GeneaSearch: Oklahoma
- Google: Oklahoma - History
- Historical Museum Guide for Oklahoma
- History of The State of Cherokee
- History of The State of Oklahoma (1908)
- Kindred Trails: Oklahoma
- Miami and Commerce 1917-18 City Directory
- Oklahombres
- OKGenWeb
- Oklahoma (1900)
- Oklahoma and the Indian Territory (1890)
- Oklahoma Cemeteries
- Oklahoma Census Records
- Oklahoma City 1925 City Directory
- Oklahoma City Directories
- Oklahoma Genealogical and Historical Societies
- Oklahoma Genealogical Society
- Oklahoma Ghost Towns
- Oklahoma Heritage Association
- Oklahoma Historical Societies
- Oklahoma Historical Society
- Oklahoma Historical Society - Chronicles of Oklahoma
- Oklahoma Historical Society - Newspaper Index Card Database
- Oklahoma Historical Society - Newspaper Collection Database
- Oklahoma History Links
- Oklahoma Migrations
- Oklahoma Museums Guide
- Oklahoma Obituary Links
- Oklahoma State Archives & Records Management
- Oklahoma Tornadoes 1950-1995
- Perry-Castañeda Library Map Collection: Oklahoma
- Political Graveyard: Oklahoma
- Pontotoc County Historical & Genealogical Society
- Repositories of Primary Sources: Oklahoma
- Sheerar Museum
- Smith’s First Directory Of Oklahoma Territory For The Year Commencing August 1, 1890-1891 Index
- Tribes and Villages of Oklahoma
- Tulsa Race Riot Photographs
- United States Resources: Oklahoma
- Yahoo!: Oklahoma - History