Tyler, W. F. <br/><br/>
Man's evolutionary track :  a philosophical consideration of the present situation / 
by W. F. Tyler. 
 - pages 25-26 ;  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human evolution--Philosophy.<br/>War (Philosophy)<br/>Altruism.<br/>Altruism.<br/>Human evolution--Philosophy.<br/>War (Philosophy)