Cerberus (Heracles) Apollonius Aristophanes Diodorus Dionysius Euripides Eustathius First Vatican Mythographer Heraclitus Hesiod Hyginus Lucian Ovid Pausanias Philochorus Pomponius Mela Schol. Homer Iliad Schol. Nicander Alexipharmaca Seneca Virgil Xenophon