The interior of the earth : an esoteric study of the subterranean spheres /
Steiner, Rudolf,1861-1925.
O'Leary, Paul V.
Forest Row : Rudolf Steiner Press,
2006.
"Originally published in German in various volumes of the GA (Rudolf Steiner Gesamtausgabe or Collected works) by Rudolf Steiner Verlag, Dornach"--T.p. verso.
Includes bibliographical references.
Anthroposophy.