{"first_publish_date": "1999", "last_modified": {"type": "/type/datetime", "value": "2020-08-16T04:30:01.715030"}, "title": "Social mobility in nineteenth- and early twentieth-century England", "created": {"type": "/type/datetime", "value": "2009-12-09T22:39:29.481210"}, "subject_times": ["20th century", "19th century"], "covers": [2369214], "subject_places": ["England"], "lc_classifications": ["HN398.E5 M53 1999"], "latest_revision": 4, "key": "/works/OL1978263W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL237877A"}}], "dewey_number": ["305.5/13/0942"], "type": {"key": "/type/work"}, "subjects": ["History", "Social conditions", "Social mobility", "Occupational mobility", "Social mobility, great britain", "Great britain, history, 19th century", "Great britain, history, 20th century"], "revision": 4}