This encyclopaedic-style guide to international relations and diplomacy consists of 900 entries, arranged broadly by key concepts, such as diplomatic relations, diplomatic agreements, force and diplomacy, doctrines, policies and tactics. It ranges from the Vienna Congress in 1815 to 2000.

Introduction; Arrangement of the Material; Part I: The International System; 1. Organization of the International System; 2. International Organizations; Part II: Crises and Meeting; 1. The Congress and Concert of Europe, 1814-1830; 2. Nationalism and Unification, 1830-1871; 3. Eastern Question, 1814-1923; 4. The Coming War, 1879-1914; 5. Crises and Conferences, 1914-45; 6. Crises and Conferences, 1945-90; 7. Crises and Conferences; Part III: Policies and Doctrines; Part IV: Force and Diplomacy; 1. Intelligence; 2. War; 3. Arms Control; Part V: Common International Space; Part VI: Diplomatic Relations; Index