Title: Two essays on Haeckel /
Authors: Steiner, Rudolf, 1861-1925; Steiner, Rudolf, 1861-1925.; Keightley, Bertram.
Publisher: Rudolf Steiner Pub. Co. ; Anthroposophic Press,
Year: 1925
Subjects: Haeckel, Ernst Heinrich Philipp August,; Haeckel, Ernst Heinrich Philipp August,; Theosophy.
Contents: 1. Haeckel and his opponents -- 2. Haeckel, "The riddle of the universe," and theosophy.