v. 1 England's treasure by foreign trade / by Thomas Mum. Reflections on the formation and distribution of wealth / by Anne Robert Jacques Turgot. The wealth of nations / Adam Smith, an essay or the priniciple of population / by Thomas Robert malthus v. 2. Principles of population / by David Ricardo. new view of society / by Robert Owen. Principles of political / by John Stuart Mill v.3. Capital / by Karl Marx. Progress and poverty / by Henry George. The theory of the leisure class / by Thorstein Veblen.