{"type": {"key": "/type/work"}, "title": "De nvmeris libri II", "subjects": ["Number theory", "Arithmetic", "Early works to 1900"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16295671A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL16295672A"}, "role": "PRIN"}], "key": "/works/OL45196330W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-22T12:26:19.617285"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-22T12:26:19.617285"}}