Animals in danger : the story of vanishing American wildlife
1968
Wood, Frances |
Wood, Dorothy |
Ursus arctos horribilis
Bears : their biology and management : a selection of papers of the third International Conference on Bear Research and Management, Binghamton, New York, USA and Moscow, USSR, June 1974
1976
Pelton, Michael R. |
Lentfer, Jack W. |
Folk, G. Edgar |