{"type": {"key": "/type/work"}, "title": "Astronomie von Olbers bis Schwarzschild", "subjects": ["Astronomy", "Congresses", "History", "Societies"], "subject_places": ["Germany"], "subject_times": ["19th century"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4140736A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2609817A"}}], "covers": [3272462], "key": "/works/OL23927528W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2020-12-11T01:07:46.473642"}, "last_modified": {"type": "/type/datetime", "value": "2020-12-11T01:07:46.473642"}}