Steiner, Rudolf. The philosophy of freedom: a philosophy of spiritual activity: the basic elements of a modern world view: the result of observing the human soul as natural science observes nature. London: Rudolf Steiner Press, 1988. xii, 195 s.
Steiner, R., & Stebbing, R. (1988). The philosophy of freedom: A philosophy of spiritual activity : the basic elements of a modern world view : the result of observing the human soul as natural science observes nature. London: Rudolf Steiner Press.
Styl ChicagoSteiner, Rudolf, and Rita Stebbing. The Philosophy of Freedom: A Philosophy of Spiritual Activity : The Basic Elements of a Modern World View : The Result of Observing the Human Soul As Natural Science Observes Nature. London: Rudolf Steiner Press, 1988.
Citace podle MLASteiner, Rudolf, and Rita Stebbing. The Philosophy of Freedom: A Philosophy of Spiritual Activity : The Basic Elements of a Modern World View : The Result of Observing the Human Soul As Natural Science Observes Nature. London: Rudolf Steiner Press, 1988.
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