Jagd und Wildschutz im Norden Amerikas : nördliche USA - Canada - Alaska
1977
Blaupot ten Cate, Steven Jan |
United States
Big game of North America : ecology and management
1978
Schmidt, John L. |
Gilbert, Douglas L. |
Our wildlife legacy
1954
Allen, Durward L. |
Forest wildlife management
1967
Bateman, Bryant A. |
Guide to the national wildlife refuges
1992
Riley, Laura |
Riley, William |
The environmental sourcebook
1992
Stein, Edith C. |
Wildlife research and management in the national parks
1992
Wright, R. Gerald |