{"type": {"key": "/type/work"}, "title": "Recueil des arrets du conseil et concessions pour l'exploitation des mines de charbon de terre et de ho\u00fcille", "subjects": ["Coal mines and mining", "Law and legislation", "Early works to 1800"], "subject_places": ["France"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL15705450A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL256764A"}}], "description": {"type": "/type/text", "value": "Consists of rulings dated 1601-1766, most in manuscript copies; some printed."}, "key": "/works/OL43812186W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-08-03T08:15:17.638657"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-03T08:15:17.638657"}}