- Conflict Resolution in the Twenty-first Century: Principles, Methods, and Approaches
- Resolving International Conflicts: The Theory and Practice of Mediation (Studies in International Politics)
- International Conflict: A Chronological Encyclopedia of Conflicts and Their Management 1945-1995
- Social Conflicts and Third Parties: Strategies of Conflict Resolution (A Westview replica edition)
- Regional Guide to International Conflict and Management From 1945 to 2003