""A History of Political Theories from Rousseau to Spencer"" is a comprehensive book written by William Archibald Dunning, which explores the evolution of political theories from the 18th to the 19th century. The book covers the ideas and philosophies of prominent thinkers such as Jean-Jacques Rousseau, Immanuel Kant, Jeremy Bentham, John Stuart Mill, and Herbert Spencer. The book provides a detailed analysis of the political theories that emerged...