Plato, John Llewelyn DAVIES, David James VAUGHAN (1866). “The Republic of Plato, translated into English, with an introduction, analysis, and notes. By J. Ll. Davies and D. J. Vaughan”, p.64
Plato (2016). “The Complete Works of Plato (Unabridged): From the greatest Greek philosopher, known for The Republic, Symposium, Apology, Phaedrus, Laws, Crito, Phaedo, Timaeus, Meno, Euthyphro, Gorgias, Parmenides, Protagoras, Statesman and Critias”, p.2702, e-artnow (Open Publishing)