Plotinus.  205-270 <br/><br/>
Plotinus :  the six Enneads / 
translated by Stephen MacKenna and B. S. Page. 
 - Chicago :  Encyclopaedia Britannica,  c1952. 
 - vii, 360 p. ;  24 cm. 
 - Great books of the Western world ; V17  v. 17. .
<br/><br/><label>ISBN: </label>0852291639 :  $18.00 
<br/><br/><label>LCCN: </label>55010326 
<br/><br/><label>LC Class. No.: </label>AC1  / .G72 vol. 17 
<br/><br/><label>Dewey Class. No.: </label>186.4