by William R. Koehler
Hardcover
ISBN: 978-0-87605-760-5
ISBN-10: 0-87605-760-1
Howell Book House · 1977
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by William R. KoehlerHardcover
ISBN: 978-0-87605-760-5 ISBN-10: 0-87605-760-1 Howell Book House · 1977 |
| See also: | ||
| 1991 | Hardcover | The Koehler Method of Utility Dog Training |