• The Modern Distributive Process (in collaboration with J.B. Clark, 1888). • The Theory of Sociology (1894). • The Principles of Sociology (1896). • The Theory of Socialization (1897). • Elements of Sociology (1898). • Democracy and Empire (1900). • Inductive Sociology (1901). • Descriptive and Historical Sociology (1906). • The Responsible State (1918). ==References==