ISBN 1855843897 books & textbook
Man or Matter: Introduction to a Spiritual Understanding of Nature on the Basis of Goethe’s Method of Training Observation and Thought
Lehrs, Ernst Thomas, Nick Bortoft, Peter
Rudolf Steiner Press /2014-01-20 Paperback / 560 Pages
isbn-10: 1855843897 / isbn-13: 9781855843899
