{"first_publish_date": "1974", "last_modified": {"type": "/type/datetime", "value": "2010-12-03T20:38:16.243308"}, "title": "Series documentales en el Archivo General de la Naci\u00f3n para el estudio de la historia econ\u00f3mica del Virreinato del R\u00edo de la Plata", "created": {"type": "/type/datetime", "value": "2009-12-10T00:15:33.983161"}, "subject_places": ["Argentina"], "lc_classifications": ["HC175 .L358 1974"], "latest_revision": 3, "key": "/works/OL2701326W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL394828A"}}], "subject_times": ["To 1810"], "type": {"key": "/type/work"}, "subjects": ["Argentina", "Argentina. Archivo General de la Naci\u00f3n", "Economic conditions", "History", "Sources"], "revision": 3}