scholars agree that Plato is not the author of the work. Unmarked works are assumed to have been written by Plato. [ 53 ] I. Euthyphro , (The) Apology (of Socrates) , Crito , Phaedo II. Cratylus , Theaetetus , Sophist , Statesman III. Parmenides , Philebus , (The) Symposium ,