found: Mammal species of the world, 3rd ed., via WWW, Mar. 20, 2008(Canis lupus. Common name: wolf. Includes the domestic dog as a subspecies, with the dingo provisionally separate--artificial variants created by domestication and selective breeding. Provisionally includes rufus, although this problematic group (rufus, floridanus, gregoryi) should probably be best listed as incertae sedis. Lists 37 subspecies)
found: North American mammals Web site, Mar. 20, 2008(Canis lupus (Gray Wolf). Also known as: Wolf, Timber Wolf, Tundra Wolf, Lobo, Prairie Wolf, Mexican Wolf, Arctic Wolf)
found: Corbet world list of mammalian species:p. 106 (Canis lupus, wolf)
found: ITIS, Mar. 20, 2008(Canis lupus. Common names: gray wolf, wolf. Lists 38 subspecies)
found: NCBI taxonomy browser, Mar. 20, 2008(Canis lupus (gray wolf))
found: Wikipedia, Mar. 20, 2008(Gray wolf (Canis lupus), also known as the timber wolf or wolf; DNA sequencing and genetic drift studies indicate that the gray wolf shares a common ancestry with the domestic dog (Canis lupus familiaris). A number of other gray wolf subspecies have been identified, though the actual number of subspecies is still open to discussion; subspecies listed: Arabian Wolf, Canis lupus arabs; Arctic Wolf, Canis lupus arctos; Caspian Sea Wolf, Canis lupus cubanensis; Dingo, Canis lupus dingo; Domestic Dog, Canis lupus familiaris; Eastern Wolf, Canis lupus lycaon; Eurasian Wolf, Canis lupus lupus; Great Plains Wolf, Canis lupus nubilus; Italian Wolf, Canis lupus italicus; Mackenzie Valley Wolf, Canis lupus occidentalis; Mexican Wolf, Canis lupus baileyi; Russian Wolf, Canis lupus communis; Southern-East Asian Wolf, Canis lupus pallipes; Tundra Wolf, Canis lupus albus; Vancouver Island Wolf, Canis lupus crassodon; disputed subspecies: Iberian Wolf, Canis lupus signatus)