Threatened plants of southern Africa
1980
Hall, A. V. |
Red Data/The Red List of Threatened Species
South African red data book - fishes
1987
Skelton, Paul H. (Paul Harvey) |
Towards the conservation of aculeate Hymenoptera in Europe
1991
Day, Michael C. |
Rare, endangered and little studied birds of the USSR
1976
Gladkov, N. A. (Nikolaĭ Alekseevich) |
Novikov, V. |
Libro rojo de mamiferos amenazados de la Argentina
2000
Diaz, Gabriela B. |
Díaz, Gabriela B. |
Ojeda, Ricardo A. |
Threatened birds of the Philippines
1999
Collar, N. J. |
Mallari, Neil Aldrin D. |
Tabaranza, Blas R. |
Libro rojo de las plantas endémicas del Ecuador
2000
Valencia, Renato |
Pitman, Nigel |
León-Yánez, Susana |
Jorgensen, Peter M. |
Kakabadse, Yolanda |
Libro rojo de mamíferos y aves amenazados de la Argentina
1997
Garcia Fernández, Javier |
Ojeda, Ricardo A. |
Fraga, Rosendo M. |
Diaz, Gabriela B. |
Díaz, Gabriela B. |
Baigún, Román J. |
Threatened birds of the world : the official source for birds on the IUCN Red List
2000
Stattersfield, A. J. |
Capper, David R. |
Towards policies for conservation and sustainable use of aquatic genetic resources
1999
Pullin, Roger S. V. |
Bartley, Devin M. |
Kooiman, Jan |