{"last_modified": {"type": "/type/datetime", "value": "2020-08-19T00:39:53.207393"}, "title": "Friedrich Barbarossa und die auswa\u0308rtigen Ma\u0308chte", "created": {"type": "/type/datetime", "value": "2009-12-10T06:50:33.252358"}, "covers": [4051723], "subject_places": ["Holy Roman Empire"], "subjects": ["Foreign relations", "History", "Holy roman empire, foreign relations", "Holy roman empire, history", "Frederick i, holy roman emperor, approximately 1123-1190"], "subject_people": ["Frederick I Holy Roman Emperor (ca. 1123-1190)"], "key": "/works/OL4581862W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL930895A"}}], "latest_revision": 4, "subject_times": ["Frederick I, 1152-1190"], "type": {"key": "/type/work"}, "revision": 4}