Fletcher Ronald Ed. <br/><br/>
Science of society and the unity of mankind 

 - London  Heinemann Educational           1974 
 - x,292p  cm. 
<br/><br/> Bibliography P273-282 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Yj M89, L4