Bernal, J.D. <br/><br/>
Science in history. Vol. 4. The social sciences: conclusion  text 

 - Harmondsworth  Penguin Books  1969 
 - 1325 p. 
 - Pelican books .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - History<br/>Science and civilization
<br/><br/><label>Dewey Class. No.: </label>909 BER