| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Dutch: An Essential Grammar | 978-0-415-42307-6 (0-415-42307-4) | 2007 | William Z. Shetter |
| Help! 3 | 978-90-5517-034-0 (90-5517-034-8) | 2003 | |
| Helpt u mij even? | 978-90-5517-131-6 (90-5517-131-X) | 2001 | |