It was during that summer that I read the major works of Ludwig von Mises, F. A. Hayek, Murray N. Rothbard, and Wil- helm Ropke. ... Already North was a prolific writer and an intellectual force to be reckoned with. ... While there, he started the Institute for Christian Economics, which published many of his major books and ... Like the Austrians, North has argued against centralized government planning and has supported private property as a necessary part of a prosperous economy .