Know the Truth

A Critique on the Hamiltonian Theory of Limitation: Including Some Strictures Upon the Theories of Rev. Henry L. Mansel and Mr. Herbert Spencer

A Candid Examination of Theism

Modern Substitutes for Christianity

The Basis of Early Christian Theism

Theism and Humanism

Being the Gifford Lectures Delivered at the University of Glasgow, 1914

Theism or Atheism

The Great Alternative

The Theistic Conception of the World

An Essay in Opposition to Certain Tendencies of Modern Thought

Through Nature to God

Theism; being the Baird Lecture of 1876

An Essay in Aid of a Grammar of Assent

Theodicy

Essays on the Goodness of God, the Freedom of Man and the Origin of Evil