{"last_modified": {"type": "/type/datetime", "value": "2010-12-04T18:02:21.928037"}, "latest_revision": 2, "key": "/works/OL4883022W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1041829A"}}], "created": {"type": "/type/datetime", "value": "2009-12-10T07:52:41.977240"}, "title": "County & postmaster postmarks of Wisconsin", "subject_places": ["Wisconsin"], "subjects": ["Cancellations (Philately)", "History", "Postmarks"], "subject_times": ["19th century"], "type": {"key": "/type/work"}, "revision": 2}