Synopsis A Dictionary of Political Thought and Allied Concepts is the first volume in the series Frontiers of Knowledge. The dictionary contains about 800 entries relating to the development of political thought and some major allied concepts. The basic terminology of political thought has many sources. It has gradually evolved through the various phases of history and movements. The Hindus, Greeks, Romans, Chinese, Christian Fathers, Islamic Theologians, Renaissance, Reformation, Industrial, French, American, Russian, Chinese Revolutions, the anti-colonial upheavals in Asia and Africa, the Marxian thought and its multifold variations, the two World Wars, the post-war development including the collapse of the Soviet System, the emergence of the unipolar world, the work of UNO and its agencies have all contributed to the evolution and articulation of political ideas and concepts. An attempt has been made in the present work to explain and expound these concepts with a view to help the students as well as the general public to grasp the nuances of the complex political phenomenon of the contemporary world.