{"lc_classifications": ["QE421 .S35"], "key": "/works/OL1420478W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:25:01.538284"}, "title": "Petrography", "id": 36598904, "first_publish_date": "1948", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-30T11:02:07.639278"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL147057A"}}], "dewey_number": ["552.082"], "type": {"key": "/type/work"}, "subjects": ["Petrology"], "revision": 2}