 |
Jim Engel |
Links |
All BreedContent Home Stuff History
| Military Dog History | United States Air Force Publication |
| The Military Police at Lackland AFB | United States Army Publication |
| The Origin of the Dog Revisited | Janice Koler-Matznick,2002 |
| The Canine Genome | Elaine A. Ostrander & Robert K. Wayne |
| British Police Dog History | |