Dio Cassius, XLVII, 20, 4 Walz, Rhetores Graeci, III, p. 7, IV, pp. 172-173, V, p. 72 Lucian, De Parasito, 48 Dio Chrysostomus, XXXVII, 41 Diodorus Siculus, XX, 46, 2 Lucian, Philopseudes, 18 Lykourgos, Leokrates, 51 Plutarch, Demetrios, 10 and 12 Hermogenes, τέχνη ρητορική, περί των στάσεων, I, 7