Da Capo Press · Diogenes · Haffmans Verlag
| title | ISBN-13 | year of publica- tion | |
|---|---|---|---|
| Bram Stoker: A Biography of the Author of Dracula | 978-0-679-41832-0 | 1996 | |
| Bram Stoker And The Man Who Was Dracula | 978-0-306-81098-5 | 2002 | |
| Oscar Wilde: A Certain Genius | 978-0-679-45734-3 | 2000 | |
| Oscar Wilde: Eine Biographie | 978-3-257-23440-4 | 2004 | |
| Oscar Wilde. Ein paradoxes Genie | 978-3-251-20314-7 | 2000 |