{"first_publish_date": "1974", "last_modified": {"type": "/type/datetime", "value": "2010-04-28T07:55:41.616984"}, "title": "Proceedings of the annual meeting of the National Child Labor Committee, 1905, 1906", "created": {"type": "/type/datetime", "value": "2009-12-09T21:48:55.761687"}, "covers": [4490473], "subject_places": ["United States"], "lc_classifications": ["HD6250.U3 N52 1974"], "latest_revision": 3, "key": "/works/OL1538677W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL163229A"}}], "dewey_number": ["331.3/1/0973"], "subjects": ["Child labor", "Congresses"], "type": {"key": "/type/work"}, "id": 36717067, "revision": 3}