{"type": {"key": "/type/work"}, "title": "Die glatte Vorderlader-Artillerie der k.k. Marine 1750-1866", "subjects": ["Artillery", "History", "Warships", "Naval History", "Austro-Hungarian Monarchy. Kriegsmarine", "Austria. Kriegsmarine"], "subject_places": ["Austria"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8542457A"}, "role": "author."}], "key": "/works/OL44635440W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-12-17T13:15:31.571421"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-17T13:15:31.571421"}}