"Bernal, J. D." <br/><br/>
Science in history 

 - Middlesex  Penguin Books  1969 
 - v.p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emergence of science
<br/><br/><label>Dewey Class. No.: </label>GL 509 BER 3rd ed.