- (4 lectures variously in 1909 and 1912). Lectures including Practical Training in Thought (Karlsruhe 18 January 1909); Overcoming Nervousness (Munich 11th January 1912); Facing Karma (Vienna 8th February 1912) and The Four Temperaments (Berlin 4th March 1909)
By Rudolf Steiner ( Published by: Anthroposophic Press )
ISBN: 9780880104272
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