{"subjects": ["Sources", "Ancient History", "United states, history"], "key": "/works/OL22072970W", "title": "Discovering the ancient past", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL37388A"}}], "type": {"key": "/type/work"}, "covers": [4640262, 4293876], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2020-09-12T07:58:52.277272"}, "last_modified": {"type": "/type/datetime", "value": "2022-02-25T12:39:58.797593"}}