{"type": {"key": "/type/author"}, "name": "P. Esser", "birth_date": "1859", "key": "/authors/OL15938283A", "source_records": ["marc:harvard_bibliographic_metadata/20220215_021.bib.mrc:121210984:1150"], "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-11-07T19:01:39.480492"}, "last_modified": {"type": "/type/datetime", "value": "2025-11-07T19:01:39.480492"}}