Rist, John M. Plotinus : the road to reality / by J.M. Rist. - Cambridge : Cambridge University Press, 1967. Bibliography: p. 270-275. ISBN: 50/- LCCN: 67017009 Nat. Bib. No.: B67-20451 Subjects--Personal Names: Plotinus. LC Class. No.: B693.Z7 / R5 Dewey Class. No.: 186/.4