| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1996 | 978-1-888071-00-9 | Gail S. Altman | Beethoven: A Man of His Word: Undisclosed Evidence for His Immortal Beloved |
| '' | 978-1-888071-01-6 | '' | Beethoven: Man of His Word: Undisclosed Evidence for His Immortal Beloved |
| 1999 | 978-1-888071-02-3 | '' | Fatal Links: the Curious Deaths of Beethoven & the Two Napoleons |