{"created": {"type": "/type/datetime", "value": "2009-12-10T19:04:27.838134"}, "title": "The trade union movement of Canada, 1827-1959", "subject_places": ["Canada"], "last_modified": {"type": "/type/datetime", "value": "2010-12-04T05:19:58.057606"}, "latest_revision": 3, "key": "/works/OL6386637W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1680439A"}}], "type": {"key": "/type/work"}, "subjects": ["History", "Labor unions", "Trade-unions"], "revision": 3}