{"first_publish_date": "1997", "last_modified": {"type": "/type/datetime", "value": "2010-12-04T09:09:19.821756"}, "title": "Coleccio\u0301n Mario Ce\u0301sar Gras (1577-1883)", "created": {"type": "/type/datetime", "value": "2009-12-09T22:03:44.727364"}, "subject_places": ["Argentina"], "lc_classifications": ["Z1626.5 .A83 1997", "F2841 .A83 1997"], "latest_revision": 3, "key": "/works/OL1648857W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL184157A"}}], "subject_times": ["19th century", "To 1810"], "type": {"key": "/type/work"}, "subjects": ["Archives", "Archivo General de la Naci\u00f3n (Argentina)", "Archivo General de la Naci\u00f3n (Argentina). Departamento Documentos Escritos", "Bibliography", "Catalogs", "History", "Sources"], "revision": 3}