Josiah Warren (1849). “Equitable Commerce: A New Development of Principles for the Harmoneous Adjustment and Regulation of the Pecuniary,intellectual,and Moral Intercourse of Mankind,proposed as Elements of New Society”, p.5
John Stuart Mill (2017). “The Greatest Happiness Principle - Utilitarianism, On Liberty & The Subjection of Women: The Principle of the Greatest-Happiness: What Is Utilitarianism (Proofs & Principles), Civil & Social Liberty, Liberty of Thought, Individuality & Individual Freedom, Utilitarian Feminism”, p.148, Madison & Adams