{"type": {"key": "/type/work"}, "title": "Arbeit und Nicht-Arbeit", "subjects": ["Work", "Congresses", "Unemployment", "Quality of work life", "Working class", "Attitudes", "Work ethic", "Social aspects"], "subject_places": ["Germany"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6908251A"}}], "key": "/works/OL33263146W", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2022-12-31T13:20:46.013928"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-17T18:18:18.768815"}}