{"title": "American Immigration (History of American Civilization)", "key": "/works/OL8009813W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2666622A"}}], "type": {"key": "/type/work"}, "subjects": ["United states, emigration and immigration"], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2009-12-10T22:17:46.841539"}, "last_modified": {"type": "/type/datetime", "value": "2022-06-18T04:07:13.107344"}}