Butterflies of Edwards County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=5802&_dcc=1&si=44

Handbook of Texas Online : Edwards County
- Current and historical information about Edwards County.
- http://www.tsha.utexas.edu/handbook/online/articles/EE/hce3.html

Kickapoo Cavern State Park
- formerly the Seargeant Ranch, is located approximately 22 miles north of Brackettville straddling the Kinney/Edwards County line. It comprises 6368.4 acres of the southern Edwards Plateau. Acquired in December 1986 and was opened to the public on a limi
- http://www.tpwd.state.tx.us/spdest/findadest/parks/kickapoo_cavern/

Amphibians and Reptiles in Edwards County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/EDWAR069.HTM