Politeia:

M. G.J. Beets, Socrates on the many and the few : a companion to Plato's Politeia, Baarn, 2002

A. Norris Michelini, Plato as author : the rhetoric of philosophy, Leiden, 2003

J.M. Dillon, The heirs of Plato : a study of the Old Academy (347-274 BC), Oxford, 2003

R.E. Heinaman, Plato and Aristotle's ethics, Aldershot, 2003

Dialogues:

M.G.J. Beets, From time to eternity : a companion to Plato's Phaedo, Baarn, 2003

G.A. Scott, Does Socrates have a method? : rethinking the Elenchus in Plato's Dialogues and beyond, University Park, PA, 2002

H.A. Slaatte, Plato's Dialogues and Ethics, Lanham, 2000

E. Benitez, Dialogues with Plato, Edmonton, 1997

G.A. Press, Plato's dialogues : new studies and interpretations, Lanham, 1993

W.S. Cobb, The Symposium and The Phaedrus : Plato's erotic dialogues / transl. with introd. and comm. by William S. Cobb, Albany, N.Y., 1993

J.C. Klagge and N.D. Smith, Methods of interpreting Plato and his dialogues, Oxford, 1992