{"title": "Hanes y deg erledigaeth o dan Rufain baganaidd ... .", "authors": [{"key": "/authors/OL2755192A"}], "publish_date": "1847", "publishers": ["H.Humphreys"], "pagination": "336p.", "languages": [{"key": "/languages/wel"}], "publish_country": "wlk", "publish_places": ["Caernarfon"], "type": {"key": "/type/edition"}, "source_records": ["marc:talis_openlibrary_contribution/talis-openlibrary-contribution.mrc:2971749315:407"], "key": "/books/OL20149533M", "number_of_pages": 336, "works": [{"key": "/works/OL8294223W"}], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-10-26T03:29:45.638766"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-30T10:26:05.758421"}}