Oxford University Press · Princeton University Press · Thames & Hudson · Yale University Press
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The New Grove Guide to Wagner and His Operas | Paperback | 978-0-19-530588-3 | 2006 | |
| The Wagner Compendium: A Guide to Wagner's Life and Music | " | 978-0-500-28274-8 | 2001 | |
| The Wagner Compendium: A Guide to Wagner's Life and Music | Hardcover | 978-0-02-871359-5 | 1992 | |
| Wagner: | Paperback | 978-0-691-02722-7 | 1992 | |
| Wagner in Performance | Hardcover | 978-0-300-05718-8 | 1992 | Mr. Stewart Spencer |
| Wagner's Ring of the Nibelung | Paperback | 978-0-500-28194-9 | 2000 | Stewart Spencer · Richard Wagner |