Handbook of Texas Online
- Current and historical information about Somervell County.
- http://www.tsha.utexas.edu/handbook/online/articles/SS/hcs12.html

The Political Graveyard: Somervell County, Tex.
- Information about politicians that lived or died in the county.
- http://www.politicalgraveyard.com/geo/TX/SV.html

Amphibians and Reptiles in Somervell County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/SOMER213.HTM

Somervell County
- Includes county and contact information and links to each county department.
- http://www.glenrose.org/