Clark, Wilfrid E. Le Gros 1895-1971. The fossil evidence for human evolution : an introduction to the study of paleoanthropology / by W. E. Le Gros Clark - 2nd ed., rev. and enl. - Chicago, Ill. : University of Chicago Press, 1964 - xii, 200 p. : ill. ; 22 cm. Bibliography : p. 189-197 Subjects--Topical Terms: Fossil manHuman evolution