For areas around the world which commonly use languges other than those of Western Europe, Princeton's Area Studies Librarians who specialize in a particular region can be an important aid to research. Not only do they know the region's languages at an advanced level, but they also have a thorough knowledge of the culture, peoples, and governments found there. Their knowledge is both scholarly and grounded in the history and literature of the regions, and also up-to-date and practical, since they often travel in those areas. When Sociology reaches out into the countries and regions they cover, Princeton's Area Studies Librarian are a treasure to help in research..