- United Nations Organization – Official site of the UNO, its structure, and its functions.
- League of Nations – Articles of the former League of Nations that was formed after World War I.
- League of Arab States – Information on the Arab League in English and Arabic.
- Shanghai Cooperation Organization – Official site of an organization of six Eurasia nations..
- Association of Southeast Asian Nations – Offical site of the ASEAN
- European Union – Extensive information on the European Union in eleven languages.
- Organization of American States – Offical site of the OAS, in English, French, Portuguese, and Spanish.
- NAFTA Customs – Information on the North American Free Trade Agreement between Canada, the United States, and Mexico in English, French, and Spanish.
- Mercosur – Information on the organization of this free trade zone of six countries in South America.
- North Atlantic Treaty Organization – The official homepage of NATO.
- Warsaw Pact – Articles of the former Warsaw Pact of 1955.
