Theory Of World Security: 105 (Cambridge Studies in International Relations, Series Number 105)

Diplomatic Theory of International Relations: 111 (Cambridge Studies in Relations, Series Number 111)

Classical Theory in International Relations: 103 (Cambridge Studies Relations, Series Number 103)

Theory of Unipolar Politics: 132 (Cambridge Studies in International Relations, Series Number 132)

Security Communities: 62 (Cambridge Studies in International Relations, Series Number 62)