{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "8 ounces", "publishers": ["Genealogical Inst"], "title": "Sources for Vital Records Before 1900", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "isbn_13": ["9780940764095"], "isbn_10": ["0940764091"], "publish_date": "June 1974", "key": "/b/OL8421204M", "authors": [{"key": "/a/OL1763008A"}], "type": {"key": "/type/edition"}, "id": 11397021, "physical_dimensions": "11.2 x 8.8 x 0.2 inches", "revision": 1}