The Sword of Gnosis: Metaphysics, Cosmology, Tradition, Symbolism
Jacob Needleman
Mathematical Gems II
Ross Honsberger
Anthropology, History, and Education
Immanuel Kant
Gottfried Wilhelm Leibniz: The Polymath Who Brought Us Calculus
M. B. W. Tent
Structures in Science: Heuristic Patterns Based on Cognitive ...
Theo A. F. Kuipers
What Is Philosophy?
Dietrich von Hildebrand