Koehler, William R. frey50
The Koehler method of guard dog training Koehler, William R. - New York, Howell Book House, 1962. - 208 p. illus. 23 cm.
0876055528
Dogs--Training.
636.7088 Koe 12
The Koehler method of guard dog training Koehler, William R. - New York, Howell Book House, 1962. - 208 p. illus. 23 cm.
0876055528
Dogs--Training.
636.7088 Koe 12