| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Medieval Settlement and Economy North of the Lower Rhine | 978-90-232-2276-7 (90-232-2276-8) | 1989 |
| Medieval Settlement and Economy North of the Lower Rhine: Archaeology and History of Kootwijk and the Veluwe | 978-90-232-2314-6 (90-232-2314-4) | 1987 |