{"first_publish_date": "1955", "key": "/works/OL185231W", "title": "The crisis of the middle class", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2102999A"}}], "type": {"key": "/type/work"}, "subjects": ["Middle class", "Economic history", "Middle classes"], "covers": [14938909], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-10-20T22:35:53.127235"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-29T17:56:22.419265"}}