The riddle of the universe
By: by Ernst Haeckel ; translated by Joseph McCabe.
Contributors: McCabe, Joseph, 1867-1955.; Rationalist Press Association
Publisher: Watts
Published: 1913
Place of publication: London
Language: eng
Number of pages: 324
Subjects: Evolution; Monism; Religion and science
Work titles: Welträthsel.
Notes: "Issued for the Rationalist Press Association, Limited."

Includes bibliographical references and index.