| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| International Encyclopedia of Comparative Law | 978-90-411-0385-7 (90-411-0385-6) | 1997 | Konrad Zweigert ยท K. Zweigert |
| International Encyclopedia of Comparative Law:Installment 33 | 978-90-411-1144-9 (90-411-1144-1) | 1998 | K. Zweigert |
| International Encyclopedia of Comparative Law - Instalment 30 | 978-90-411-0174-7 (90-411-0174-8) | 1995 | |