A good brief summary of Bretton Woods institutions with links to other parts of the Bretton Woods website.
International Institute for Sustainable Development: contains wide-ranging information on the developing world.
Organization for Economic Cooperation and Development (OECD): an invaluable source of statistical data as well as more general discussion of current developments in the global economy.
This is the (English-language) gateway to the European Union website which contains an enormous amount of information. Note that all the regional organizations mentioned in this chapter have websites which are easily found with a search engine.
Site of the World Trade Organization with information on history, purpose, and functions as well as many useful documents and data sources.