Barnes, Jonathan.
The Presocratic philosophers /
Jonathan Barnes 
. - London : Henley : Boston : Routledge & Kegan Paul,  1979- 
. - 2 v.  24 cm. 
 - (The Arguments of the philosophers )
<br/> V. 1. Thales to Zeno  <br/>  V. 2. Empedocles to Democritus. <br/>