entity_id,source_id,evidence_type,source_note
ENT_PROTEUS,SRC_APOLLODORUS_LIBRARY,scholarly attestation,Library 2.5.9 (mentioned in Heracles' Egypt episode); the shape-shifting Old Man of the Sea
ENT_PROTEUS,SRC_HOMER_ILIAD_ODYSSEY,direct attestation,Proteus (the Old Man of the Sea) has a major narrative role in Odyssey IV.351-570: Menelaus wrestles with the shape-shifting Proteus on the shore of Egypt; Proteus reveals how to return home and the fates of the other Greek leaders; this is the primary Homeric text for Proteus's prophetic and shape-shifting nature
ENT_PROTEUS,SRC_THEOI_DAIMONES,index attestation,Attested in Theoi Sea Gods index.
ENT_PROTEUS,SRC_THEOI_GODS,index attestation,Attested in Theoi Greek Gods category index.
ENT_PROTEUS,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."
ENT_PROTEUS,SRC_THEOI_SEA,index attestation,Literary attestation in classical/mythographic tradition; cult evidence varies by entity.