Popper's Philosophy of Science - Overview
Ralph E. Kenyon Jr.
Physics & Philosophy: The Revolution in Modern Science
Werner Heisenberg
Schaum's Outline of German Grammar, Sixth Edition
Elke Gschossmann-Hendershot & Lois Feuerle
Moral and Political Philosophy: Key Issues, Concepts and Theories
Paul Smith
Encyclopedia of Complexity and Systems Science
Robert A. Meyers
I Ching - Foreword by C.G. Jung
Carl Gustav Jung