Downs, James F. <br/><br/>
Human variation :  an introduction to physical anthropology / 
James F. Downs and Hermann K. Bleibtreu. 
 - Beverly Hills, Calif. :  Glencoe,  1969. 
 - xv, 269 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical anthropology.