Darwin, Charles, The origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life / Charles Darwin ; edited with an introduction by J.W. Burrow. - Harmonsworth : Penguin Books, 1859 [reprinted 1977] - 477 p. ; Originally published: London : John Murray, 1859. ISBN: MBS8575 Subjects--Topical Terms: Species.--- Dewey Class. No.: 576.82 / Or