Vanishing animals : preserving nature's rarities
1961
Street, Philip |
Endangered species
Vanishing wilderness
1934
La Monte, Francesca Raimonde |
Welch, M. H. |
World checklist of endangered amphibians and reptiles
Groombridge, Brian |
Conservation in developing countries : problems and prospects : proceedings of the centenary seminar
1990
Daniel, J. C. |
Serrao, J. S. |
The world's disappearing wildlife
1978
Burton, Maurice |
Burton, Robert |
East African ivory trade
Parker, I. S. C. (Ian S. C.) |
Trésors vivants
1971
Zuber, Christian |
Extinction is forever : the status of threatened and endangered species of plants in the Americas and their significance in ecosystems today and in the future
1977
Elias, Thomas S. |
Prance, Ghillean T. |
Principales causes humaines responsables de la raréfaction de la vie sauvage
1985
Lavoie, Jean-Guy |