1879 – The Evolution of Man: a popular exposition of the principal points of human ontogeny and phylogeny. Vol. II (Haeckel, Ernst) julio 12, 1879 por Mario Modesto Mata
1879 – The Evolution of Man: a popular exposition of the principal points of human ontogeny and phylogeny. Vol. I (Haeckel, Ernst) julio 12, 1879 por Mario Modesto Mata
