Pickard-Cambridge, Theatre of Dionysus, pp. 53, 129, 131. G. Zuntz, Political Plays of Euripides, ch. IV. Herodotos, V, 46, 2. Hesychios. Schol. Aristophanes, Knights 410. Bekker, Anecdota Graeca, I, 338, ... Agora 3 123 ... 5th A.D ... Plutarch, An Seni Respublica Gerenda Sit, 17 (792f) ... Plutarch, An Seni Respublica Gerenda Sit, 10 (789d) ... Plutarch, De Genio Socratis, 20 (589e)
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