| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Berlin in Lights: The Diaries of Count Harry Kessler | 978-0-8021-3839-2 (0-8021-3839-X) | 2002 | Ian Buruma |
| Who's Who in Mozart's Operas: From Alfonso to Zerlina | 978-0-02-873380-7 (0-02-873380-0) | 1987 | Joachim Kaiser |