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W. R. Koehler
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
The Koehler Method of Dog Training
978-O-876O5-577-9
(O-876O5-577-3)
1996
William R. Koehler
R.K.
·
R. Köhler
·
W. K.
·
W. Köhler
·
W R
·
William R. Koehler
·
Wolfgang R. Köhler
W R Laney