Paul Reuter (1911 - 1990) was regarded as one of the twentieth century's greatest specialists on international law. The many books and articles he published on topics such as public international law, the law of treaties, international or European organizations bear witness to his expertise and are regarded as authoritative by academic and government circles alike.

Original Review of International Institutions: ‘This work is to be commended for the attention given by the author to a number of matters too often neglected by legal writers…’ D.H.N. Johnson, The Modern Law Review, Vol 22, No. 1 (1959).

• Introduction: The Nature and Characteristics of International Relations 1: Fundamental Characteristics of the Group 2: The Question of Social Order. Annex: The Sociology of Conflicts Part 1: Origin and Foundation of Present-Day International Institutions 1. The Historical Evolution of International Relations and International Institutions up to the Second World War 2. International Relations After the Second World War 3. General Notions of Contemporary International Law 4. The Formal Sources of International Law Part 2: The States 1. The Constituent Elements 2: General Intercourse Between the States 3. Structural Relations Between States Part 3: International Organisations 1. The Notion of International Organisation 2. Some Major Juridical Problems of International Organisations 3. The United Nations and the Principal Regional Organisations.

Paul Reuter (1911 - 1990) was regarded as one of the twentieth century's greatest specialists on international law. The many books and articles he published on topics such as public international law, the law of treaties, international or European organizations bear witness to his expertise and are regarded as authoritative by academic and government circles alike.

Original Review of International Institutions: ‘This work is to be commended for the attention given by the author to a number of matters too often neglected by legal writers…’ D.H.N. Johnson, The Modern Law Review, Vol 22, No. 1 (1959).

• Introduction: The Nature and Characteristics of International Relations 1: Fundamental Characteristics of the Group 2: The Question of Social Order. Annex: The Sociology of Conflicts Part 1: Origin and Foundation of Present-Day International Institutions 1. The Historical Evolution of International Relations and International Institutions up to the Second World War 2. International Relations After the Second World War 3. General Notions of Contemporary International Law 4. The Formal Sources of International Law Part 2: The States 1. The Constituent Elements 2: General Intercourse Between the States 3. Structural Relations Between States Part 3: International Organisations 1. The Notion of International Organisation 2. Some Major Juridical Problems of International Organisations 3. The United Nations and the Principal Regional Organisations.