Martin Luther. By Gustav Freytag. 30c.
Rationalism. By George Jacob Holyoake. 30c.
Chinese Philosophy. By Paul Carus. 30c.
A Mechanico-Physiological Theory of Organic Evolution. By Carl von Nageli. Summary. 30c.
Mathematical Essays and Recreations. By Herman Schubert. 30c.
Truth on Trial. By Paul Carus. 60c.
The Pieroma; An Essay on the Sources of Christianity. By Paul Carus. 60c.
The Ethical Problem. By Paul Carus. 60c.
THE
RELIGION OF SCIENCE LIBRARY