Colson, Charles. God and Government – An Insiders View of the Boundaries Between Faith and Politics. Grand Rapids, Michigan: Zondervan, 2007.
Metaxas, Eric. Bonhoeffer: Pastor, Prophet, Martyr, Spy
Metaxas, Eric. —. Amazing Grace – William Wilberforce and the Heroic Campaign to End Slavery. New York: HarperCollins, 2007.
Wesley Bready, John. England: Before and After Wesley. Hodder & Stoughton, 1939.
Metaxas, Eric. 7 Men – And the Secret to their Greatness. Nashville, Tennessee: Thomas Nelson, 2013.
Sunshine, Glenn S. Why You Think The Way You Do – The Story of Western Worlviews from Rome to Home . Grand Rapids, Michigan: Zondervan, 2009.