| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ortsnamen auf -ELTE in der niederlandischen Provinz Drente. | 978-90-6203-171-9 (90-6203-171-4) | 1973 | |
| Pagans and Christians: The Interplay Between Christian Latin and Traditional Germanic Cultures in Early Medieval Europe: Proceedings of the Second Germania Latina conferenc | 978-90-6980-076-9 (90-6980-076-4) | 1995 | Germania Latina Conference 1992 (University of Groningen) · L. A. J. R. Houwen · A. A. Macdonald |