The encyclopedia of political thought 8 volume set The Encyclopedia of Political Thought contains over 900 A Z entries on the most significant political thinkers theories concepts ideas and schools of thought. Available online or as an eight volume print set the Encyclopedia examines the history of political thought contemporary political theory and political philosophy. The entries range in size from shorter definitions and biographies to extended treatments of major topics and traditions. The Encyclopedia traces the evolution of political thinking from antiquity to the present and emphasizes the richness and diversity of the fields traditions