WOLF - Maureen Greeley - 1996
WOLF: SPIRIT OF THE WILD - The Nature Company - 1993
THE WOLVES OF YELLOWSTONE - Michael K. Phillips & Douglas W. Smith - 1996
THE WOLF ALMANAC - Robert H. Busch - 1995
FOXES WOLVES AND WILD DOGS OF THE WORLD - David Alderton - 1994
HOW TO SPOT A FOX - J. David Henry - 1993