This fourth volume of Thomas Taylor's Works of Plato includes: • The Theaetetus. • The Politicus (Statesman), with additional notes by Taylor from book V of Proclus' Theology of Plato. • The Minos. • The Apology of Socrates. • The Crito. • The Phaedo, with extensive additional notes from Olympiodorus' Commentary on the Phaedo, and Damascius' Commentary on the Phaedo. • The Gorgias, with an introduction and the additional notes taken from Olympiodorus' Scholia on the Gorgias. • The Philebus, with notes and additional notes from Damascius. • The Second Alcibiades.