Guthrie, W. K. C. 1906-.
A history of Greek philosophy /
W.K.C. Guthrie 
. - Cambridge : At the  University Press,  1967- 
. - 6 v.  23 cm. 
<br/> V. 1. The earlier Presocratics and Pythagoreans  <br/>  V. 2. The Presocratic tradition from Parmenides to Democritus  <br/>  V. 3. The fifth-century enlightenment  <br/>  V. 4. Plato  <br/>  V. 5. The later Plato and the Academy  <br/>  V. 6. Aristotle, an encounter. <br/>