• How the Bible was Invented: A Lecture Delivered Before the Independent Religious Society
• Is Life Worth Living Without Immortality?: A Lecture Delivered Before the Independent Religious Society, Chicago
• Is the Morality of Jesus Sound?: A Lecture Delivered Before the Independent Religious Society
• Morality Without God: A Lecture Delivered Before the Independent Religious Society
• The Bible Unveiled
• The Church In Politics—Americans Beware!
• The Story of Joan of Arc the Witch-Saint
• The Story of My Mind; Or, How I Became a Rationalist
• The Truth About Jesus : Is He a Myth?: Illustrated
• What Is Christian Science?
• What Was the Religion of Shakespeare?