{"subjects": ["Russia (federation), history", "Soviet union, history", "History"], "key": "/works/OL20580298W", "title": "A History of Russia and Its Empire", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6490202A"}}], "type": {"key": "/type/work"}, "covers": [9222011], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2019-12-19T02:31:25.664766"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-18T10:28:04.946800"}}