- Alabama-Coushatta Indian Reservation - In the midst of the Big Thicket forest near Lake Livingston Texas lies Texas' oldest Indian Reservation, home of the Alabama-Coushatta Tribe of Texas.
- Handbook of Texas Online - Current and historical information about Polk County.
- Polk County - Lists contact information for county and district court offices and includes a map and demographic information.
- Polk County Chamber of Commerce - The Official Home Page of East Texas's Polk County, Texas and the Lake Livingston, Texas area.
- The Political Graveyard: Polk County, Tex. - Information about politicians that lived or died in the county.
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