- Smoke from a fierce green fire: History of timber wolves in Wisconsin by Inga Brynildson, 1981
- The Wolf: The Ecology and Behavior of an Endangered Species by L. David Mech, 1981-04
- Wolves (Animals, Animals) by Daniel A. Greenberg, 2002-12
- The African Wild Dog (The Library of Wolves and Wild Dogs) by J. D. Murdoch, M. S. Becker, 2002-08
- Wolves (Wildlife at Risk) by Gillian Standring, 1992-04
- The Red Wolf: Help Save This Endangered Species! (Saving Endangered Species) by Alison Imbriaco, 2007-03
- Shadow Mountain: A Memoir of Wolves, a Woman, and the Wild by Renee Askins, 2002-07-09
- Endangered Wildlife and Plants of the World:Vol. 12 Umb-Zor
- Endangered Animals - Over 100 Questions and Answers to Thngs You Want to Know by Lucinda Hawksley, 2000
- Gray Wolf: An entry from Gale's <i>Beacham's Guide to Endangered Species: North America</i>
- The Wolf in the Southwest: The Making of an Endangered Species
- Mexican Gray Wolf: An entry from Gale's <i>Beacham's Guide to Endangered Species: North America</i>
- Wolf Mountains: A History of Wolves Along the Great Divide by Karen R. Jones, 2002-12
- Dogs, wolves, coyotes, jackals, and foxes: An entry from Thomson Gale's <i>Grzimek's Animal Life Encyclopedia</i> by James, PhD Malcolm, 2004
|