Bernal, J. D. <br/><br/>
The freedom of necessity / 
J. D. Bernal 
 - London :  Routledge & K. Paul Ltd.,  1949 
 - xi, 437 p.  23 cm. 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Philosophy.<br/>Social sciences.
<br/><br/><label>Dewey Class. No.: </label>501  / BEF 1949