Letters on Wave Mechanics: Correspondence with H. A. Lorentz, Max Planck, and Erwin Schrödinger
The World As I See It
Philosophical Library/Open Road
the Wisdom of Kabbalah
The Wisdom of Muhammad
The Wisdom of Omar Khayyam
Essays Towards a Theory of Knowledge
Pilgrimage to Humanity
Out of My Later Years: The Scientist, Philosopher, and Man Portrayed Through...
Empty Logic: Madhyamika Buddhism from Chinese Sources
New Pathways to Piano Technique: A Study of the Relations Between Mind...
Zen and Shinto: A History of Japanese Philosophy
Aristotle Dictionary
Reverence for Life: the Ethics of Albert Schweitzer Twenty-First Century
Letters to Solovine, 19061955
Proust's Way
The Wisdom of Leonardo da Vinci
Dictionary of Gypsy Life and Lore
Essays in Metaphysics: Identity and Difference
Essays in Skepticism
Unpublished Letters
Hasidism
A Treasury of Kahlil Gibran
Essays in Aesthetics
Symbolism in the Bible and Church
The Wisdom of Confucius
Dictionary of the Occult
The Preservation of Youth: Essays on Health
Understanding History: And Other Essays
Types of Thinking Including a Survey Greek Philosophy
The Wisdom of Leo Tolstoy
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