de
Kulturwissenschaft (übersetzt)
by Rudolf Steiner
de
Wissen über die höheren welten und dessen erlangung (übersetzt)
by Rudolf Steiner
fr
La connaissance des mondes supérieurs et son accomplissement (traduit)
by Rudolf Steiner
pt
Conhecimento dos mundos superiores e de suas conquistas (traduzido)
by Rudolf Steiner
it
La conoscenza dei mondi superiori e il suo raggiungimento (tradotto)
by Rudolf Steiner
en
Knowledge of the higher worlds and its attainment (translated)
by Rudolf Steiner
