World Customs Organization
Website of the World Customs Organization (WCO) an "independent intergovernmental body whose mission is to enhance the effectiveness and efficiency of customs administration". The site publishes historical and organisational details about the WCO. There are fact sheets on different aspects of international trade and documents relating to customs issues including harmonisation, capacity building and cross border crime. The full-text (PDF) of customs conventions and other convention documents are available, as published from the 1950s to the present.