Evolution : the modern synthesis /

por Huxley, Julian Sorell 1887-1975
Publicado 1942

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

por Darwin, Charles Robert 1809-1882
Publicado 1958

Guide des oiseaux d'Europe /

por Peterson, Roger Tory 1908-1996
Publicado 1967