Monism — Audiobooks
The Riddle of the Universe at the close of the nineteenth century
by Ernst Haeckel
Monism as Connecting Religion and Science
by Ernst Haeckel
Mind and Motion and Monism
by George John Romanes
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