{"lc_classifications": ["HD5718.A3 U525 1950"], "key": "/works/OL1475263W", "title": "The agricultural labor force in the San Joaquin Valley, California, 1948", "subject_places": ["San Joaquin Valley", "California"], "first_publish_date": "1950", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL156332A"}}], "dewey_number": ["331.763"], "type": {"key": "/type/work"}, "subjects": ["Agricultural laborers"], "covers": [14304974], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T21:39:01.519243"}, "last_modified": {"type": "/type/datetime", "value": "2023-05-03T04:30:45.075593"}}