Wichler, Gerhard Charles Darwin : the founder of the theory of evolution and natural selection / Gerhard Wichler - London : Pergamon Press, 1961 - xvii, 228 p. : ill., ports. ; 23 cm. Subjects--Personal Names: Darwin, Charles, 1809-1882 --Criticism and interpretation Subjects--Topical Terms: Evolution (Biology)--History Dewey Class. No.: 575.0162