Searching UN documentation by subject may cause some difficuly, since almost every topic of international significance can be linked to some part of the work of the UN. Many United Nations bodies deal with various aspects of the same problem under various subject headings and agenda items. Therefore, it is necessary for the researcher to clarify his subject in his mind and decide what type of information he is interested in.
There is a traditional division of five main subject areas within the UN organization:
These main subject areas provide access to a number of UN bodies working within relevant fields.
The following handbooks provides a good overview of the main subject areas of the United Nations: