{"first_publish_date": "1980", "last_modified": {"type": "/type/datetime", "value": "2020-02-28T17:23:04.790747"}, "title": "A guide to genealogical sources at the Pennsylvania State Archives", "created": {"type": "/type/datetime", "value": "2009-12-10T03:31:26.172869"}, "subject_places": ["Pennsylvania"], "lc_classifications": ["Z1329 .P392 1980", "F148 .P392 1980"], "latest_revision": 5, "key": "/works/OL3419298W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL562406A"}}], "dewey_number": ["016.929/3748"], "type": {"key": "/type/work"}, "subjects": ["Catalogs", "Genealogy", "Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts", "Local History", "Sources", "Bibliography", "History, Local", "Pennsylvania Historical and Museum Commission"], "revision": 5}