{"created": {"type": "/type/datetime", "value": "2009-12-10T19:11:36.281721"}, "subject_places": ["England", "London"], "subjects": ["Commodity exchanges", "Finance", "Metal trade"], "latest_revision": 2, "key": "/works/OL6449700W", "title": "Trading in the London metal markets", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1710687A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-05T05:23:13.111619"}, "revision": 2}