The Value of Knowledge and the Pursuit of Understanding
Jonathan L. Kvanvig
The Ayn Rand Letter (May 1974- April 1976)
Ayn Rand
A Study of History - Volume 6 - Disintegration of Civilizations
Arnold J. Toynbee
The Logic in Philosophy of Science
Hans Halvorson
The Fourth Political Theory
Alexander Dugin
Multivariable Calculus with Mathematica®
Robert P. Gilbert