Inventory of endemic, endangered, rare, vanishing and most economically important species of the Philippine flora and fauna : summaries
1977
Endangered species
Study of birds in need of special protection in Europe
1974
Parslow, John Leonard Frederick |
Supervivencia o extincion, el dilema de nuestra fauna : dimensiones, victimas, causas, consecuencias y alternativas
1977
Serrano, Francisco |
The politics of extinction : the shocking story of the world's endangered wildlife
1975
Regenstein, Lewis |
Children of the ark : the rescue of the world's vanishing wild life
1968
Gray, Robert |
The great extermination : a guide to Anglo-Australian cupidity wickedness & waste
1966
Marshall, A. J. |
Vanishing wildlife
1970
Caras, Roger A. |
Animals in danger : the story of vanishing American wildlife
1968
Wood, Frances |
Wood, Dorothy |
Vanishing wildlife
1963
Pinney, Roy |
Extinct animals
1905
Lankester, E. Ray |