Hippias Major – Hippias Minor Ion – Laches – Lysis Transitional & middle dialogues : Cratylus – Euthydemus – Gorgias Menexenus – Meno – Phaedo Protagoras – Symposium Later middle dialogues : Republic – Phaedrus Parmenides – Theaetetus Late dialogues : Clitophon – Timaeus – Critias Sophist – Statesman Philebus –