12 books
The Philosophy of Rudolf Eucken (Classic Reprint)
The Spiritual Ascent of Man (Classic Reprint)
What Philosophy Is (Classic Reprint)
The Spiritual Ascent of Man
Finger-Ring Lore (Illustrated)
What Philosophy Is
The Truth of Religion
The Philosophy of Rudolf Eucken
An Interpretation of Rudolf Eucken's Philosophy (Dodo Press)
Contemporary Thought of Germany Vol II
Contemporary Thought Of Germany - Vol I
An Interpretation of Rudolf Eucken�s Philosophy