{"subject_places": ["Germany", "Ruhr River Valley"], "subjects": ["Bibliography", "German literature", "Literary collections", "Ruhr River Valley (Germany)", "Ruhr (Allemagne)", "Dans la litt\u00e9rature", "Bibliographie", "Litt\u00e9rature allemande"], "key": "/works/OL4155431W", "title": "Das Ruhrgebiet in der Literatur", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL783710A"}}], "type": {"key": "/type/work"}, "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-10T05:29:47.138027"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-27T01:52:06.571083"}}