{"subtitle": "perceptions of principals and superintendents", "key": "/works/OL3333320W", "created": {"type": "/type/datetime", "value": "2009-12-10T03:18:53.366018"}, "title": "Elementary school principal effectiveness", "id": 38509751, "subject_places": ["Ontario"], "first_publish_date": "1978", "latest_revision": 3, "last_modified": {"type": "/type/datetime", "value": "2010-03-12T01:20:09.838897"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL540073A"}}], "type": {"key": "/type/work"}, "subjects": ["School principals", "Rating of"], "revision": 3}