{"title": "Obra histo\u0301rico-cronolo\u0301gica", "subject_places": ["Mexico"], "key": "/works/OL994505W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL92416A"}}], "subject_times": ["1946-1970", "1910-1946"], "type": {"key": "/type/work"}, "subjects": ["Politics and government", "Labor unions", "Political activity", "Labor movement", "Syndicats", "Politique et gouvernement"], "covers": [10792334], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-09T18:53:09.702494"}, "last_modified": {"type": "/type/datetime", "value": "2021-03-27T17:11:56.101999"}}