{"title": "The output of manufacturing industries, 1899-1937", "covers": [4483986], "subject_places": ["United States"], "first_publish_date": "1940", "key": "/works/OL1589906W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL172166A"}}], "dewey_number": ["338.4/0973"], "type": {"key": "/type/work"}, "subjects": ["Manufacturing industries", "Industries", "Manufactures"], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2009-12-09T21:56:07.344140"}, "last_modified": {"type": "/type/datetime", "value": "2022-07-11T18:59:56.748140"}}