The Origin of Species by Means of Natural Selection; The Descent of Man and Selection in Relation to Sex / 
Charles Robert Darwin 
 - Chicago:  Encyclopædia Britannica,  1952. 
 - ix+659 p. ;  24 cm. 
 - Great Books of the Western World,  v. 49 .
<br/><br/>Incluye índice. 
<br/><br/><label>Dewey Class. No.: </label>808.8