Dragons of the air : an account of extinct flying reptiles
1967
Seeley, H. G. |
Extinct species
Vanishing wildlife
1963
Pinney, Roy |
Extinct animals
1905
Lankester, E. Ray |
Last survivors : the natural history of animals in danger of extinction
1970
Simon, Noel |
Géroudet, Paul |
Canadian endangered species
1974
Stewart, Darryl |
Plant extinction : a global crisis
1986
Koopowitz, H. |
Kaye, H. |
Santuario bravio : os animais surpreedentes da Gorongosa safari em Moçambique
1964
d'Eça de Queiroz, José Maria |
Viable populations for conservation
1987
Soulé, Michael E. |