{"type": {"key": "/type/work"}, "title": "Karl Marx als Historiker", "subject_people": ["Karl Marx (1818-1883)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL10068644A"}}], "key": "/works/OL44028860W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-09-08T19:41:35.914052"}, "last_modified": {"type": "/type/datetime", "value": "2025-09-08T19:41:35.914052"}}