Dogs A New Understanding Of Canine Origin, Behavior, and Evolution By Raymond and Lorna Coppinger
Domestic Dog, It’s Evolution, Behavior, and Interactions With People by James Serpell
Evolution of Canine Social Behavior, 2nd Edition by Roger Abrantes
Dog Behavior, Evolution and Cognition by Adam Miklosi
Wolves- Behavior, Ecology, and Conservation by L. David Mech & Luigi Boitani, Editors