Pryor Mountain Wild Horse Refuge
- Information on Mustang horses, their history, and photos. Located in Montana.
- http://www.hawkline.com/mustangs/breeding.html

Sulphur Horse Information
- Providing links to information about the Sulphur Springs Mustang.
- http://sulphurhorse.com/

Mustang Horses
- Information on mustangs, with breeder listings, links and pictures.
- http://www.mustang-horses.org

Black Hills Wild Horse Sanctuary
- Official site of the Institute of Range and the American Mustang, and the Black Hills Wild Horse Sanctuary, a non-profit organization founded in 1988 dedicated to giving the wild mustang back to the open range. Includes information on organizations, fundr
- http://www.wildmustangs.com