Steiner, Rudolf, 1861-1925. | Perspektiven der Menschheitsentwicklung.
VIAF ID: 309490821 ( Work )
Permalink: http://viaf.org/viaf/309490821
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Steiner, Rudolf,
Language | Title | Expression | Sources |
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English | Materialism and the task of anthroposophy | ||
English | Materialism and the task of anthroposophy |