Of the Unity of God (Thomas Boston)
The Being of God (James P. Boyce)
Knowing God (Bob Burridge)
The Existence of God (R.L. Dabney)
Existence of God (John Dagg)
Anti-Theistic Theories (Charles Hodge)
Origin of the Idea of God (Charles Hodge)
Theism (Charles Hodge)
Twenty Arguments for the Existence of God (Peter Kreeft and Ronald Tacelli
Why We Believe in God (Alan Strange)
Is There a God? (Robert Tanzie)
Why I Believe in God (Cornelius Van Til)
Are There More Gods Than One? (Thomas Vincent)