Informe al Gobierno de Venezuela sobre problemas de la fauna silvestre
1969
Gallizioli, A. |
Trade in wildlife
The birds of CITES and how to identify them
1993
Erritzoe, Johannes |
Une peau miserable
1975
Meier, Erwin |
The endangered species handbook
1986
Nilsson, Greta |
Australian endangered species : mammals, birds and reptiles
1978
Ovington, Derrick |