Secret brotherhoods and the mystery of the human double : seven lectures given in St Gallen, Zurich and Dornach between 6 and 25 November 1917 /
Steiner, Rudolf,1861-1925.
Forest Row : Rudolf Steiner Press,
2004.
"Authorized translation based on the 4th edition."
Originally published in German, with two additional lectures, under the title Individuelle Geistwenen und ihr Wirken in der Seele de Menschen. Dornach : Rudolf Steiner Verlag, 1917.
Includes bibliographical references and index.
Brotherhoods.
Doppelgängers.
Spiritualism.