This volume is a translation of Wie erlangt man Erkenntnisse
der höheren Welten? (Vol. 10 in the Bibliographic Survey,
1961). It was rendered into English by George Metaxa with
revisions by Henry B. and Lisa D. Monges.
This translation has been authorized for the Western
Hemisphere by agreement with the Rudolf Steiner
Nachlassverwaltung, Dornach, Switzerland.