· Rudolf Steiner, Karma of Materialism, lecture 2, August 7, 1917. Rudolf Steiner, Knr.mn...
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· Rudolf Steiner, Karma of Materialism, lecture 2, August 7, 1917. Rudolf Steiner, Knr.mn Malcrialisnt, lecture 3, August 14, 1917. Virginia Sease, writing on the year's theme:
