Of Myth, Life and War in Plato's Republic - Robert Metcalf reviews this book by Claudia Baracchi. from Notre Dame Philosophical Reviews. - http://ndpr.nd.edu/review.cfm?id=1280
Plato's "Sophist" - Domenico Pacitti argues that Plato has not refuted Parmenides on negation in this dialogue. - http://www.pacitti.org/books_00199105.htm
Plato's Middle Period Metaphysics and Epistemology - Discussion of Plato's views on metaphysics and the theory of knowledge, including his theory of forms; from the Stanford Encyclopedia by Allan Silverman. - http://plato.stanford.edu/entries/plato-metaphysics/
Plato and the Philosophy of Education - Article by Renato Jose de Oliveira from the Encyclopaedia of Philosophy of Education. - http://www.vusst.hr/ENCYCLOPAEDIA/plato.htm
Myth - Plato - Review of Plato's cosmology. By Swedish author and historian of Ideas Stefan Stenudd. - http://www.stenudd.com/myth/greek/plato.htm
FlyingFish: Dissent and Compromise - An article on repression, alienation, love and Plato's cave. - http://www.flyingfish.org.uk/articles/dissent/dissent.htm
The Essence of Human Freedom - Notre Dame Philosophical Reviews - William McNeill reviews this work by Martin Heidegger subtitled "An Introduction to Philosophy and The Essence of Truth: On Plato's Cave Allegory and Theaetetus". - http://ndpr.nd.edu/review.cfm?id=1160
ClassicNote on The Republic - Full summary and analysis of Plato's "The Republic" written by Harvard students. Includes a biography, message board, and background information. - http://www.classicnote.com/ClassicNotes/Titles/republic/