{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Amer Society of Civil Engineers"], "number_of_pages": 232, "id": 14081076, "isbn_13": ["9780727701831"], "isbn_10": ["0727701835"], "publish_date": "December 1983", "key": "/b/OL10591225M", "authors": [{"key": "/a/OL2749896A"}], "title": "The Men Who Built Railways", "type": {"key": "/type/edition"}, "subjects": ["Railway technology & engineering", "Railway transport industries", "Railroad Engineering", "Railroads"], "revision": 1}