| title | ISBN-13 | year of publication |
|---|---|---|
| Expert Obedience Training for Dogs | 978-0-7645-2516-2 | 2003 |
| Expert obedience training for dogs | 978-0-02-615020-0 | 1976 |
| Obedience Class Instruction for Dogs: The Trainer's Manual, Revised Edition | 978-0-02-615010-1 | 1978 |
| The German Shepherd Today | 978-0-87605-154-2 | 1998 |
G S · W G · W. Gibson · W.S. · Winifred G. Strickland · Winifred Gibson · Winifred Strickland
Howell Book House · John Wiley & Sons · Macmillan