Lieberman, Philip. On the origins of language; an introduction to the evolution of human speech. - New York, Macmillan [1975] - viii, 196 p. illus. 24 cm. - The Macmillan series in physical anthropology . Bibliography: p. 183-189. ISBN: 0023706902 LCCN: 74005720 Subjects--Topical Terms: Language and languages--Origin. LC Class. No.: P116 / .L5 Dewey Class. No.: 400 LIE