- Bell County Genealogy and History Web Site - part of the U.S. GenWeb project, maintained by volunteers, very comprehensive, updated regularly. Includes information about families and genealogies, cemetery censuses and photos, federal censuses and historical background. As of August 2001, the site contained more than 1 gigabyte of information and photos.
- Bell County Cemetery Transcription Project
- Database of Bell County Cemetery Locations
- Queries about Bell County Genealogy
- Killeen Area Heritage Association
- Overview of Texas Research in General
- Helpful Links for Researching in Texas
- Handbook of Texas - An "encyclopedia" of all things Texas produced by the Texas State Historical Association. TSHA also published the 6-volume version of the Handbook, available in public and academic libraries. Invaluable resource with an excellent search engine.