- Handbook of Texas Online - Current and historical information about Newton County.
- Newton County Landowners and Leaseholders Association - Works to protect wildlife resources and individual property rights in East Texas through education, management, conservation, and the support of law enforcement.
- Newton County Texas - Nature excursions, history, architecture, and community groups.
- Newton County Texas Chamber of Commerce - Features business directory, local information, history, and contact information.
- The Political Graveyard: Newton County, Tex. - Information about politicians that lived or died in the county.
