| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ulimate Book of Business Letters | 978-1-932531-76-3 (1-932531-76-9) | 2007 | Cheryl Kimball |
| Ulimate Book of Sales Letters | 978-1-932531-75-6 (1-932531-75-0) | 2007 | " |
J. G. · J.V. · J. Van · V. Gelder · Van Gelder