The fourth dimension : sacred geometry, alchemy, and mathematics : listeners' notes of lectures on higher-dimensional space and of questions and answers on mathematical topics /
Steiner, Rudolf,1861-1925.
Great Barrington, Mass. : Anthroposophic Press,
c2001.
"A six-lecture series held in Berlin from Mar. 24 to June 7, 1905; two single lectures given in Berlin on Nov. 7, 1905 and Oct. 22, 1908; questions and answers from 1904 to 1922.".
Originally pub.: Dornach : Rudolf Steiner Verlag, 1995.
Includes bibliographical references.
Fourth dimension (Parapsychology)
Anthroposophy.