entity_sources: ENT_WEL_YSBADDADEN, SRC_MABINOGION, direct attestation

2,936 links between entities and the sources that attest them, with evidence type and passage-level notes. The primary evidence layer: every entity classification traces to at least one record here.

This data as json

entity_id	source_id	evidence_type	source_note
ENT_WEL_YSBADDADEN	SRC_MABINOGION	direct attestation	Named in the Mabinogion (the Four Branches / Culhwch / Hanes Taliesin).