{"type": {"key": "/type/author"}, "name": "Karl Heinz B\u00fcttner", "birth_date": "1914", "key": "/authors/OL15566906A", "source_records": ["marc:harvard_bibliographic_metadata/20220215_004.bib.mrc:267519737:1597"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-06-19T21:48:08.800702"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-19T21:48:08.800702"}}