International Museum of the Horse: Horse Breeds of the World
- History and breed characteristics organized by continent and name.
- http://www.imh.org/museum/breeds.php?pageid=8

Sable Island Horses
- Describes the wild horses of Sable Island, Canada.
- http://www.greenhorsesociety.com/Horses/Horses.htm

The Quagga Project
- Attempts to breed through selection a population of Plains Zebras, which in its external appearance, and possibly genetically as well, will be closer, if not identical to the former population known as "Quagga", which was exterminated during the
- http://www.quaggaproject.org/

National Park Service: Assateague's Wild Horses
- Discusses the feral horses of Assateague Island, Maryland, USA.
- http://www.nps.gov/asis/horses.htm

Back from the Brink
- Article about the rescue campaign for the nearly extinct Przewalski horse.
- http://www.gluckman.com/MongoHorse.html

University of Michigan Museum of Zoology
- Many details and links to information about the family Equidae.
- http://animaldiversity.ummz.umich.edu/chordata/mammalia/perissodactyla/equidae.html

Wild Horses -- an American Romance
- History and current state of wild horses in America.
- http://net.unl.edu/artsFeat/wildhorses/

theBigZoo.com: Grevy's Zebra
- Facts, photos and videos of Grevy's Zebra.
- http://www.thebigzoo.com/Animals/Grevys_Zebra.asp

Animal Web: Equidae
- Information on the Mountain, Grevy's and Plains Zebra.
- http://www.animalweb.com/animalworld/family-equidae.asp

Foundation for the Preservation and Protection of the Przewalski Horse
- Information on this equine from Mongolia which is the sole surviving genuine wild horse in the world.
- http://www.treemail.nl/takh/