Ecology and conservation of grassland birds of the Western hemisphere
1999
Vickery, Peter D. |
Herkert, James R. |
North America
Fairness and competence in citizen participation : evaluating models for environmental discourse
1995
Renn, Ortwin |
Webler, Thomas |
Wiedmann, Peter |
Ecology and conservation of wolves in a changing world
1995
Carbyn, Ludwig N. |
Fritts, Steven H. |
Seip, Dale R. |
The Mammal guide : mammals of North America north of Mexico
1954
Palmer, Ralph S. |
List of North American recent mammals
1955
Miller, Gerrit S. |
Kellogg, Remington |
A field guide to the mammals : field marks of all species found North of the Mexican boundary
1964
Burt, William Henry |
Grossenheider, Richard Philip |
Life histories of North American thrushes, kinglets and their allies : order Passeriformes
1949
Bent, Arthur Cleveland |
Life histories of North American blackbirds, orioles, tanagers and allies : Order Passeriformes : Families Ploceidae, Icteridae and Traupidae
1958
Bent, Arthur Cleveland |
Migration of birds
1950
Lincoln, Frederick Charles |
The roseate spoonbill
1942
Allen, Robert Porter |