{"isbn_13": ["9780722256008"], "physical_format": "Hardcover", "subtitle": "A Commentary on the Niblung's Ring", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "languages": [{"key": "/l/eng"}], "publishers": ["Library Reprints"], "title": "The Perfect Wagnerite", "id": 13054457, "edition_name": "3 ed edition", "isbn_10": ["0722256000"], "publish_date": "January 2001", "key": "/b/OL9720606M", "authors": [{"key": "/a/OL107911A"}], "type": {"key": "/type/edition"}, "subjects": ["General", "Music"], "revision": 1}