The selection includes basic documents and cases of the Law of International Organizations and is prepared primarily as a tool to assist students and others interested in their study and work. The documents provide information and enable study and discussion on some of the major aspects such as membership, powers, dispute settlement, decision-making and international responsibility. The book consists of two main parts. Part One contains constituent documents of a number of international governmental organizations selected either because of their representativeness or uniqueness of their institutional features. It also includes some more specific documents, such as the statutes of international tribunals. Part Two encloses a selection of judicial cases considered by international, regional and national courts.