Aves y plantas de Lanzarote en peligro de extinción
1991
Sosa, Kunkel |
Sosa, Cardona |
Endangered species
Vanishing birds : their history and conservation
1978
Halliday, Tim |
Demain les oiseaux
1989
Diamond, A. W. (Antony William) |
Directory : Species Survival Commission membership directory
1990
Dopazo, Maria |
Lost and vanishing birds : being a record of some remarkable extinct species and a plea for some threatened forms
1898
Dixon, Charles |
Endangered birds : management for preserving threatened species
1977
Temple, Stanley A. |