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.