International legal protection of wild fauna and flora
1997
van Heijnsbergen, P. |
History
Defending the land of the jaguar : a history of conservation in Mexico
1995
Simonian, Lane |
With broadax and firebrand : the destruction of the Brazilian Atlantic forest
1995
Dean, Warren |
Our national park system : caring for America's greatest natural and historic treasures
1995
Rettie, Dwight F. |
Seeds of change : five plants that transformed mankind
1992
Hobhouse, Henry |
Conférence Internationale pour la Protection de la Nature, Brunnen, 28 juin - 3 juillet 1947 : procès-verbaux, résolutions et rapports
1947
Büttikofer, Johann |
Historia, ecología y vegetación
1992
van der Hammen, T. |
Crusade for wildlife
1961
Trefethen, James B. |