{"type": {"key": "/type/author"}, "name": "Nicolaas Hendrik Vroege", "birth_date": "1930", "key": "/authors/OL15948936A", "source_records": ["marc:harvard_bibliographic_metadata/20220215_021.bib.mrc:254501249:1727"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-11-14T02:57:49.260422"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-14T02:57:49.260422"}}