{"first_publish_date": "1901", "key": "/works/OL205153W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2409554A"}}], "subjects": ["Sanitary engineering", "Public health", "Hygiene", "Sanitation"], "title": "Municipal sanitation in the United States", "lc_classifications": ["RA445 .C46"], "type": {"key": "/type/work"}, "covers": [9672196], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2009-10-21T20:45:21.466333"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-21T23:51:00.427336"}}