Natural Law in the Spiritual World

Life: Its True Genesis

The Necessity of Atheism

Science and Morals and Other Essays

Through Nature to God

The Relations of Science and Religion The Morse Lecture, 1880

Gedanken über Religion Die religiöse Entwicklung eines Naturforschers vom Atheismus zum Christentum.

The Analogy of Religion to the Constitution and Course of Nature To which are added two brief dissertations: I. On personal identity. II. On the nature of virtue.

Last Words on Evolution: A Popular Retrospect and Summary

Astronomy and General Physics Considered with Reference to Natural Theology

The Creator, and what we may know of the method of creation

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