La Evolución: síntesis moderna /

by Huxley, Julian Sorell, 1887-
Published 1965

Evolution : the modern synthesis /

by Huxley, Julian Sorell 1887-1975
Published 1942

The origin of species : by means of natural selection or the preservation of favoured races in the struggles for life /

by Darwin, Charles Robert 1809-1882
Published 1958

Guide des oiseaux d'Europe /

by Peterson, Roger Tory 1908-1996
Published 1967