Monism — Audiobooks
Monism as Connecting Religion and Science A Man of Science
by Ernst Haeckel
Life and Matter: A Criticism of Professor Haeckel's "Riddle of the Universe"
by Sir Oliver Lodge
Les énigmes de l'Univers
by Ernst Haeckel
Mind and Motion and Monism
by George John Romanes
The Riddle of the Universe at the close of the nineteenth century
by Ernst Haeckel
