Oakley, Kenneth Page, 1911- The succession of life through geological time / K. P. Oakley and Helen M. Muir-Wood. - 4th ed. - London : Trustees of the British Museum, 1959. - vii, 93 p. front., ill., col. maps 22 cm. - At head of title: British Museum (Natural History). . Subjects--Topical Terms: Paleontology.-------- Dewey Class. No.: 560.74