{"type": {"key": "/type/work"}, "title": "Die gro\u00dfen Kalifen. Das goldene Zeitalter Arabiens", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL619260A"}}], "key": "/works/OL33719188W", "subjects": ["History"], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2023-01-14T06:33:50.151241"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-23T22:33:36.805559"}}