{"created": {"type": "/type/datetime", "value": "2009-12-10T20:01:01.309638"}, "subjects": ["School hygiene"], "latest_revision": 3, "key": "/works/OL6917693W", "title": "Education in its physical relations", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1915551A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-08-04T10:37:32.865985"}, "covers": [7188742], "revision": 3}