{"subjects": ["Origin", "Human beings", "Prehistoric peoples", "Biological Evolution"], "key": "/works/OL478470W", "title": "Origin and Evolution of Primitive Man", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL29979A"}}], "type": {"key": "/type/work"}, "covers": [5829343], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-08T03:08:02.564024"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-26T02:24:00.597374"}}