{"type": {"key": "/type/work"}, "title": "Gedanken und studien \u00fcber den vulcanismus", "subjects": ["Earthquake, 1873", "Eruption, 1874"], "subject_places": ["Belluno (Italy)", "Etna, Mount (Italy)"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2500062A"}}], "key": "/works/OL45257587W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-04-28T21:40:05.499086"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-28T21:40:05.499086"}}