Walker Alan 1938 The wisdom of the bones : in search of human origins / Alan Walker and Pat Shipman. - 1st ed. - London : The Orion Publishing Group Ltd. , 1996 . - 270 p. : ill., map ; 24 cm. Includes bibliographical references (p. [253]-270) and index. ISBN: 0297816705 Subjects--Topical Terms: Homo erectus--Kenya LC Class. No.: GN284 Dewey Class. No.: 573.3