Amphibians and Reptiles in Cottle County: Texas Cooperative Wildlife Collection list of species found in the county.
Butterflies of Cottle County, Texas: Information about and pictures of all the known species of butterflies in the county.
Handbook of Texas Online : Cottle County: Current and historical information about Cottle County.
The Political Graveyard: Cottle County, Tex.: Demographics.
TXGenWeb Project - Cottle County, TX.: A genealogical site for Cottle County.
YB Lost - Cottle County, Texas: Provides names and addresses of county public officials and departments.