entity_id,source_id,evidence_type,source_note
ENT_HYDRA,SRC_APOLLODORUS_LIBRARY,direct attestation,"Apollodorus 2.5.2: the Lernaean Hydra, slain in the second labour of Heracles."
ENT_HYDRA,SRC_THEOI_GODS,index attestation,Attested in Theoi Greek Gods category index.
ENT_HYDRA,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."