Rudolf Steiner und Ernst Haeckel.
Publisher: Verlag Freies Geistesleben
Published: 1965
Place of publication: [Stuttgart]
Language: ger
Number of pages: 175
Subjects: Steiner, Rudolf, 1861-1925.; Haeckel, Ernst Heinrich Philipp August, 1834-1919.
Notes: Bibliographical references included in "Anmerkungen" (p. 166-175)