{"type": {"key": "/type/work"}, "title": "Narrative of an expedition through the upper Mississippi to Itasca Lake", "subjects": ["Voyages and travels"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL165761A"}}], "key": "/works/OL45647155W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-06-19T11:51:42.925596"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-19T11:51:42.925596"}}