Two essays on Haeckel
By: by Rudolf Steiner
Series: Harvard College Library preservation microfilm program 2004 -- 10815
Publisher: Rudolf Steiner Pub. Co.; Anthroposophic Press
Published: 1925
Place of publication: London; New York City
Language: eng
Translated from: ger
Number of pages: 133
Subjects: Theosophy
Work titles: Haeckel und seine Gegne
Notes: Translation by Bertram Keightley of: Haeckel und seine Gegner; and, Haeckel, die Welträtsel und die Theosophie--Cf. p. vii.

"Authorized translation from the German."
Table of contents: title: 1. Haeckel and his opponents; title: 2. Haeckel, "The riddle of the universe," and theosophy.