{"title": "EARLY GUNPOWDER ARTILLERY: C.1300-1600", "subjects": ["Artillery", "Art et science militaires", "Artillerie", "Military art and science", "Histoire", "History", "Military art and science, history"], "key": "/works/OL13615542W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6473691A"}}], "type": {"key": "/type/work"}, "covers": [13300436], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-11T10:06:17.469652"}, "last_modified": {"type": "/type/datetime", "value": "2023-02-17T01:51:27.076664"}}