Wild dogs: the natural history of the nondomestic Canidae
Sheldon, J.W.
Academic Press. San Diego, California, USA; re-issued 2005 by Blackburn Press, Caldwell, New Jersey, USA
1992
A comprehensive treatment of the natural history of the non-domestic candidae, discussing multiple species of wolves, foxes, coyotes and jackals. Features include the distribution, habitat, physical characteristics, taxonomy, diet, reproduction, and social organization and behaviour of 33 species.