Palgrave Macmillan · St. Martin's Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|
| Richard Wagner for the New Millennium: Essays in Music and Culture | 978-1-4039-7321-4 (1-4039-7321-0) | 2007 | Matthew Bribitzer-Stull · Alex Lubet | 
| Twilight of the Wagners: The Unveiling of a Family's Legacy | 978-0-312-26404-8 (0-312-26404-6) | 2000 | |
D. G. · D.W. · D. Wagner · Dr. G. · G. W. · G. Wagner · Gottfried Wagner