[1]: Hom. Il. 17.587
[2]: Hes. Theog. 116
[3]: Parmenides Fr. 132
[4]: Hom. Il. 10.482; Hom. Il. 15.262
[5]: Hom. Il. 19.92-93
[6]: Alcidamas, a stylist of the school of Gorgias.
[7]: Soph. Thyest. Fr. 235
[8]: Eur. Sthen. Fr. 663
[9]: Unknown
[10]: Plato
[11]: Eur. Hippol. 612
[12]: Hom. Il. 11.514
[13]: Hom. Il. 6.236
[14]: Hom. Od. 4.242
[15]: Aristoph. Clouds 362