− | *Charles Darwin: On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (1859) | + | * Charles Darwin: On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. John Murray, London 1859. [http://caliban.mpiz-koeln.mpg.de/~stueber/darwin/origin/origin.html Online-Version] |