Animals in danger : the story of vanishing American wildlife
1968
Wood, Frances |
Wood, Dorothy |
North America
Orquideas de las Américas
1974
Ospina H., Mariano |
Dressler, Robert L. |
Waterfowl and wetlands : toward bioeconomic analysis
1974
Hammack, Judd |
Brown, Gardner Mallard |
The animals next door : a guide to zoos and aquariums of the Americas
1971
Gersh, Harry |
Big game of North America : ecology and management
1978
Schmidt, John L. |
Gilbert, Douglas L. |
Problems in management of locally abundant wild mammals
1981
Jewell, Peter Arundel |
Holt, Sidney Joseph |
Lost wild America : the story of our extinct and vanishing wildlife
1969
McClung, Robert M. |
The world of the pronghorn
1969
Wormer, Joe van |
Mountain sheep : a study in behaviour and evolution
1971
Geist, Valerius |
Black Bass biology and management
1975
Stroud, Richard H. |
Clepper, Henry |