Adam Smith, Jean-Baptiste Say, J.R. McCulloch (2013). “History of Economic Theory: The Selected Writings of Adam Smith, Jean-Baptiste Say, and J.R. McCulloch”, p.104, Coventry House Publishing
Joseph A. Schumpeter (2011). “The Theory of Economic Development: An Inquiry into Profits, Capital, Credit, Interest, and the Business Cycle”, p.74, Transaction Publishers
"Kathy Bates Talks AMERICAN HORROR STORY: COVEN, Working with other Talented Women, Her Cruel Character, and More". Interview with Christina Radish, collider.com. January 4, 2014.