“The Wolf,” The Ecology and Behavior of an Endangered Species, by Dr. L. David Mech. Published by University of Minnesota Press.
“The Return of the Wolf,” by Steve Grooms. Published by North Word Press.
“Return of a Predator: Wolf recovery in Montana,” by Ed Bangs. Published by Western Highlands.
“Discovering Yellowstone Wolves,” by James C. Halfpenny and Diann Thompson. (Self published)
“Looking At the Wolf”, by Bruce Thompson. A publication of Teton Science School.
“The Way of the Wolf”, by Dr. David Mech.. Voyageur Press.
“The Wolves Of Yellowstone”, by Michael K. Phillips and Douglas W. Smith. Voyageur Press
“The Yellowstone Wolf–A guide and source book”, Edited by Paul Schullery. High Plains Press