Gli uccelli e la loro protezione
1957
Toschi, Augusto |
Animal protection
Birds of prey in Europe
1974
Bijleveld, Maarten |
Biology and conservation of sea turtles : proceedings of the World Conference on Sea Turtle Conservation, Washington, DC, 26-30 November 1979
1981
Bjorndal, Karen A. |
Peregrine falcon populations : their biology and decline
1969
Hickey, Joseph J. |
Waterfowl tomorrow
1964
Linduska, Joseph L. |
Salvemos las aves
1987
Schreiber, Rudolf |
Animal rights vs. nature
1990
Howard, Walter E. |
Biotic diversity in southern Africa : concepts and conservation
1989
Huntley, B. J. (Brian J.) |
Farming and birds
1986
O'Connor, Raymond J. |
Shrubb, Michael |