Introduction To The Law Of Treaties

A Publication of the Graduate Institute of International Studies, Geneva

The Hierarchy of states

Reform and resistance in the international order

The Legal Status of the Arabian Gulf States

A study of their Teaty relations and their International problems

The Kosovo Conflict and International Law

The Analytical Documentation 1974-1999.
Cambridge International Documents series
Volume 11

Law Among Nations

An Introduction to Public International Law
Fifth edition

Peace through Law

Originally published by Chapel Hill:The University of North Carolina Press, 1944.

The Sources of Modern International law

Carnegie Endowment for International Peace
Division of International law
Monograph No. 1