{"type": {"key": "/type/work"}, "title": "Das erste Jahrhundert der Schutzimpfung und die Blattern in Hamburg", "subjects": ["Immunization", "History", "Pox diseases"], "subject_places": ["Germany", "Hamburg"], "subject_times": ["19th century"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL7382518A"}}], "key": "/works/OL44889286W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-02-07T22:23:39.853760"}, "last_modified": {"type": "/type/datetime", "value": "2026-02-07T22:23:39.853760"}}