The Origins of Natural Science:
Nine Lectures Delivered in Dornach, December 24 to 28, 1922, and January 1 to 6, 1923

by Rudolf Steiner, Norman MacBeth

ISBN0880101407 / 9780880101400 / 0-88010-140-7
PublisherRudolph Steiner Pr
LanguageEnglish
EditionSoftcover
List price$10.95
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