entity_id,source_id,evidence_type,source_note
ENT_CERBERUS,SRC_APOLLODORUS_LIBRARY,scholarly attestation,Library 2.5.12; Heracles' twelfth labor; brought from the underworld; described as three-headed (50-headed in some versions)
ENT_CERBERUS,SRC_HOMER_ILIAD_ODYSSEY,direct attestation,Cerberus is named in the Odyssey XI.623 (Heracles' eleventh labor: bringing up the hound of Hades) and Iliad VIII.368; the multi-headed nature is not specified in Homer but his role as Hades' hound is established here
ENT_CERBERUS,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."
ENT_CERBERUS,SRC_THEOI_UNDERWORLD,index attestation,Attested in Theoi Underworld Gods index.