{"title": "Birth, poverty and welfare", "subtitle": "a study of infant mortality.", "authors": [{"key": "/authors/OL121302A"}], "publish_date": "1943", "languages": [{"key": "/languages/eng"}], "type": {"key": "/type/edition"}, "source_records": ["marc:talis_openlibrary_contribution/talis-openlibrary-contribution.mrc:385178701:367"], "key": "/books/OL14865653M", "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2008-09-15T18:49:04.132410"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-19T23:55:22.432264"}}