| title | ISBN-13 | year of publication |
|---|---|---|
| From Territorial Sovereignty To Human Security | 978-90-411-9829-7 | 2000 |
| Globalism: People, Profits and Progress, La mondialisation: Les personnes, le profit et le progrès | 978-90-411-9899-0 | 2002 |
| Looking Ahead: International Law in the 21st Century | 978-90-411-9859-4 | 2002 |
| Selected Papers in International Law | 978-90-411-9764-1 | 1999 |