{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Professionalized Social Studies Teaching (Bulletin, No 56)", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "publishers": ["Natl Council for the Social"], "number_of_pages": 116, "id": 11017927, "isbn_13": ["9780879860202"], "isbn_10": ["0879860200"], "publish_date": "June 1978", "key": "/b/OL8131505M", "authors": [{"key": "/a/OL1550341A"}], "title": "Competency Based Teacher Education", "type": {"key": "/type/edition"}, "subjects": ["Training of", "United States", "Social science teachers"], "revision": 1}