- Texas Reference Sources Online
- Selective guide to reference works on, or relating to, Texas and Texans. Seeks to identify printed and electronic resources on all aspects of Texans life, history, economics, government, and culture.
- Handbook of Texas
- Multidisciplinary encyclopedia of Texas history, geography, and culture. The Handbook of Texas contains more than 23,000 articles on people, places, events, historical themes, and institutions. Website from the Texas State Historical Association.
- Texas Digital Sanborn Maps
- Produced for over 100 years, Sanborn maps charted the growth and development of American cities. Sanborn maps are large scale plans of a city or town, at a scale of 50ft to an inch.
