The Meaning and Value of Life
2024
Life's Basis And Life's Ideal - The Fundamentals Of A New Philosophy Of Life
2013
The Problem of Human Life - As Viewed by the Great Thinkers from Plato to the Present Time
2015
Ethics and Modern Thought
2023
Life's Basis and Life's Ideal: The Fundamentals of a New Philosophy of Life
2012
Life's Basis and Life's Ideal: The Fundamentals of a New Philosophy of Life
2018
Immanuel Kant. Die moralische Welt und das Reich des Schönen
2007
Platon und seine Lebensanschauung
2005
Plato und seine Lebensanschauung
2018
Goethe, Schiller und die Romantik
2005
Immanuel Kant: Die moralische Welt und das Reich des Schönen
2005
Martin Luther, Ulrich Zwingli, Johannes Calvin und die Reformation
2005