Other
Plato's Republic
Intensive look at "The Republic," by Plato. Incorporates a brief biography of Plato along with a condensed version of "The Republic". Truly gives the essence of Plato's philosophy.
Able Media
Able media.com: Plato's Republic
An informative and very helpful study guide from AbleMedia.com on Plato's Republic. After setting the work in its historical context, the site discusses Plato's relation to the Sophist philosophers. Includes a lengthy series of study...
Virginia Tech
A Sketch of the Political Structure of "The Republic"
A discussion over the issue whether Plato was trying to actually construct a political model which can be used by a polis or as a literary device (to advance a philosophical argument).
Other
Plato's Dialogue: Plato's Republic
This site from Plato's Dialogue proposes two possible (and quite detailed) outlines of Plato's most famous dialogue, "The Republic." A helpful resource for those reading the text or researching its major ideas. Includes links to many...
Boston University
Boston University: St. Mary's University: Plato's Moral Psychology
St. Mary's University provides an essay that argues that Plato's psychology was distinctively defined by his ethical orientations and the necessities of his theory of justice.