{"lc_classifications": ["BD163 .J6"], "key": "/works/OL1551979W", "title": "Die Kunst des begrifflichen Denkens", "first_publish_date": "1926", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL165370A"}}], "dewey_number": ["153.1"], "type": {"key": "/type/work"}, "subjects": ["Thought and thinking", "Reasoning", "Association [MESH]", "Concept Formation [MESH]", "Thinking [MESH]"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-09T21:51:07.855335"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-21T07:46:42.863998"}}