{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Ayer Co Pub"], "title": "Voice of Labor", "isbn_13": ["9780405021299"], "isbn_10": ["0405021291"], "publish_date": "February 1, 1974", "key": "/b/OL9474813M", "authors": [{"key": "/a/OL3267865A"}], "type": {"key": "/type/edition"}, "id": 12760764, "revision": 1}