{"created": {"type": "/type/datetime", "value": "2009-12-10T19:23:59.297278"}, "subject_places": ["United States"], "subjects": ["Catalogs", "Perforations (Philately)"], "latest_revision": 2, "key": "/works/OL6582341W", "title": "Catalog of United States perfins", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1765733A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-05T06:12:59.066944"}, "revision": 2}