| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Harpo Marx: The Autobiography | 978-1-85227-190-9 | 2002 | Harpo Marx |
| Harpo Speaks! | 978-0-87910-036-0 | 2004 | " |
| Harpo Speaks...About New York | 978-1-892145-06-2 | 2000 | " |
| Somebody Up There Likes Me | 6301978447 | 2000 | Joseph Ruttenberg · Albert Akst · Charles Schnee · James E. Newcom · Ernest Lehman · Rocky Graziano |
Limelight · Little Bookroom · Virgin Books