Lewin, Roger. In the age of mankind : a Smithsonian book of human evolution / Roger Lewin. - Washington, D.C. : Smithsonian Books, 1988. - 255 p. ; 28 cm. Includes index. ISBN: 0895990229 Subjects--Topical Terms: Human evolution. LC Class. No.: GN281 / .L52 1988 Dewey Class. No.: 573.2