A Candid Examination of Theism

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

The Basis of Early Christian Theism

Theism or Atheism: The Great Alternative

Modern Substitutes for Christianity

An Essay in Aid of a Grammar of Assent

Through Nature to God

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

Theism; being the Baird Lecture of 1876

The Theistic Conception of the World An Essay in Opposition to Certain Tendencies of Modern Thought

Theism and Humanism Being the Gifford Lectures Delivered at the University of Glasgow, 1914