Amphibians and Reptiles in Cass County: Texas Cooperative Wildlife Collection list of species found in the county.
Butterflies of Cass County, Texas: Information about and pictures of all the known species of butterflies in the county.
Cass County Conservancy: Preserves the history and culture of the county by promoting and financially supporting projects that represent historical east Texas life. Includes projects, resources, and news.
Cass County TXGenWeb: Cass County Texas Genealogy and history data.
Handbook of Texas Online : Cass County: Current and historical information about Cass County.
Texas Department of Transportation: Road Conditions for Cass County: Construction information and areas of possible traffic delays.
The Political Graveyard: Cass County: Lists politicians who lived or died in the county.
YBLost: Cass County, Texas: Cass County, Texas public record information.
