Mathematical Statistics and Data Analysis
John A. Rice
A Brief Introduction to Piaget
Nathan Isaacs
Promoting Moral Growth: From Piaget to Kohlberg
Joseph Reimer & Diana Pritchard Paolitto & Richard H. Hersh
Principles of Microeconomics
Nicholas Gregory Mankiw
Liberalism: In the Classical Tradition
Ludwig von Mises
Living Water Viktor Schauberger and the Secrets of Natural Energz
Olof Alexandersson