{"first_publish_date": "1982", "description": {"type": "/type/text", "value": "Traces the growth and development of the labor movement during the nineteenth century."}, "last_modified": {"type": "/type/datetime", "value": "2020-08-12T08:41:31.783428"}, "title": "The unions", "created": {"type": "/type/datetime", "value": "2009-12-08T00:14:15.143425"}, "covers": [10335499], "subject_places": ["United States"], "lc_classifications": ["HD6508.25 .F47 1982"], "latest_revision": 5, "key": "/works/OL14865746W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL22477A"}}], "dewey_number": ["331.88/0973"], "type": {"key": "/type/work"}, "subjects": ["Juvenile literature", "Labor unions", "History", "Syndicats", "Ouvrages pour la jeunesse", "Histoire"], "revision": 5}