entity_id,source_id,evidence_type,source_note
ENT_NOR_JORMUNGANDR,SRC_POETIC_EDDA,direct attestation,Völuspá (Thor and Jörmungandr kill each other at Ragnarök); Hymiskviða (Thor fishes up the Miðgarðsormr; Hymir cuts the line); the World Serpent encircling the ocean is foundational to the Eddic cosmology
ENT_NOR_JORMUNGANDR,SRC_PROSE_EDDA,direct attestation,"Named in Snorri Sturluson, Prose Edda."
ENT_NOR_JORMUNGANDR,SRC_SIMEK_NORTHERN_MYTH,scholarly attestation,"Attested in Simek, Dictionary of Northern Mythology."