{"type": {"key": "/type/work"}, "title": "Principals as change agents", "subjects": ["Middle school principals", "Case studies", "Middle schools", "Administration", "Educational leadership", "School management and organization"], "subject_places": ["United States"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL15707520A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6955501A"}}], "key": "/works/OL43816375W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-08-04T10:15:24.345307"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-04T10:15:24.345307"}}