The riddle of the universe
By: by Ernst Haeckel ; translated by Joseph McCabe
Series: The Thinker's library -- no. 3
Publisher: Watts
Published: 1929
Place of publication: London
Language: eng; ger
Number of pages: 324
Subjects: Monism; Religion and science; Evolution
Work titles: Welträtsel. English
Notes: Translation of Die Welträtsel.

Includes bibliographic references and index.