{"type": {"key": "/type/work"}, "title": "Epistol\u00e6 ad Joannem Kepplerum mathematicum C\u00e6sareum script\u00e6", "subjects": ["Mathematics", "Early works to 1800"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL450897A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL15914438A"}}], "key": "/works/OL44299396W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-10-27T08:56:32.228369"}, "last_modified": {"type": "/type/datetime", "value": "2025-10-27T08:56:32.228369"}}