What is justice?- The ultimate basis of social conflict.- The principle of self-centered appreciation commonly called self-interest.- The forms of human conflict.- Economic competition.- How ought wealth to be distributed?- How much is a man worth?- Interest.- Socialism and the present unrest.- Constructive democracy.- The single tax.- The question of inheritance.- The question of monopoly.- The cure for poverty.- The responsibility of the rich for the condition of the poor.- Social service.- How ought the burdens of taxation to be distributed?

Conservation and economic theory, by R.T. Ely.--Conservation and economic evolution, by R.H. Hess.--Conservation of certain mineral resources, by C.K. Leith.--Conservation of human resources, by T.N. Carver.