{"title": "Roman stone fortifications", "covers": [8523803], "subject_places": ["Great Britain", "Rome"], "subjects": ["Military History", "Military antiquities", "Roman Fortification", "Fortification", "Rome, antiquities", "Great britain, history, military"], "key": "/works/OL5145505W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1138179A"}}], "subject_times": ["55 B.C.-449 A.D."], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T08:47:55.672174"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-16T10:16:37.060624"}}