{"created": {"type": "/type/datetime", "value": "2009-12-10T09:34:33.839745"}, "subject_places": ["United States"], "subjects": ["Emigration and immigration"], "latest_revision": 3, "key": "/works/OL5330500W", "title": "National Origins Provision of Immigration Law", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4836337A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-05-09T11:40:47.624236"}, "revision": 3}