{"type": {"key": "/type/work"}, "title": "Hours of service of Locomotive Engineers and Firemen based on exhibits numbers 26 and 27, Western Conference Committee of Managers", "subjects": ["Locomotive engineers", "Locomotive firemen", "Railroads", "Employees"], "subject_places": ["United States"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL114867A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4503980A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6670726A"}}], "key": "/works/OL43736293W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-07-20T14:06:55.130074"}, "last_modified": {"type": "/type/datetime", "value": "2025-07-20T14:06:55.130074"}}