Modern social thought ranges widely across the social sciences, to philosophy, political theories and doctrines, cultural ideas and movements, and the influence of the natural sciences. This Dictionary provides an authoritative and comprehensive overview of the main themes of social thought, principal schools and movements of thought, and those institutions that have been the subject of social analysis or engendered significant doctrines and ideas.Detailed entries cover major currents of thought, philosophical and cultural trends, and the individual social sciences from anthropology to welfare economics. These are supplemented by shorter accounts of specific concepts and phenomena.This second edition of this popular volume updates about 200 entries and includes new material on the internet, ethnic cleansing and other topics. Each entry includes suggestions for further reading, and the volume contains a bibliography of all sources cited within the text.