Bernal, J. D. 1901-.
Science in history in 4 volumes /
J.D. Bernal 
. - Harmondsworth : Penguin,  1969- 
. - 4 v.  20 cm. 
 - (A Pelican book )
<br/> V. 2. Scientific and industrial revolutions  <br/>  V. 3. Natural sciences in our time  <br/>  V. 4. Social sciences : conclusions. <br/>