{"created": {"type": "/type/datetime", "value": "2009-12-08T02:50:24.575649"}, "subjects": ["Controversial literature", "Compromise of 1850", "Slavery"], "latest_revision": 3, "key": "/works/OL467693W", "title": "Letter from citizens of Newburyport, Mass., to Mr. Webster", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL27310A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-08-07T09:47:43.278927"}, "covers": [5923578], "revision": 3}