{"key": "/works/OL4341903W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL849219A"}}], "title": "Historia del movimiento obrero mexicano", "subject_places": ["Mexico"], "subjects": ["Labor and laboring classes", "Labor unions", "Politics and government", "Social history", "Working class", "Labor"], "subject_times": ["19th century"], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T06:05:00.389605"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-17T12:32:23.562285"}}