{"title": "Manufactural occupance in the West Central Area of Chicago", "key": "/works/OL10475834W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4345250A"}}], "type": {"key": "/type/work"}, "subjects": ["Industrial location", "Factories", "Location", "Industries"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-11T03:01:55.943889"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-08T14:01:31.659107"}}