{"lc_classifications": ["Z1324.D36 B43"], "key": "/works/OL1900193W", "created": {"type": "/type/datetime", "value": "2009-12-09T22:32:25.128128"}, "title": "A bibliography of sources for Dayton, Ohio, 1850-1950", "id": 37078345, "subject_places": ["Dayton (Ohio)"], "first_publish_date": "1971", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-02-01T13:36:29.621073"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL227450A"}}], "dewey_number": ["016.91771/73/034"], "type": {"key": "/type/work"}, "subjects": ["Sources", "Bibliography", "History"], "revision": 2}