{"type": {"key": "/type/work"}, "title": "Argument of Edward Atkinson ... upon the necessity of connecting the South Boston flats with the railway system of New England and the West", "subjects": ["Railroads"], "subject_places": ["Massachusetts"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL155199A"}}], "key": "/works/OL45366349W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-05-07T15:45:55.880969"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-07T15:45:55.880969"}}