{"created": {"type": "/type/datetime", "value": "2009-12-10T09:52:01.967285"}, "subject_places": ["Developing countries"], "subjects": ["Feudalism", "Industrialization", "Kinship", "Old age pensions", "Social security"], "latest_revision": 2, "key": "/works/OL5397206W", "title": "Prinzipien und Formen sozialer Sicherung in nicht-industriellen Gesellschaften", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1257465A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T22:20:38.129709"}, "revision": 2}