Chesterton, G. K., Heretics; Orthodoxy.
Church, K. W., Gifts of Civilization; Pascal and other Sermons.
Clarke, J. Freeman, Steps to Belief.
Cobbe, Frances Power, A Faithless World; Broken Lights; Autobiography.
Coit, Stanton, National Idealism and a State Church.
Comte, Auguste, Catechism of Positive Religion (translated by Richard Congreve).
Contentio Veritatis.
Conway, Moncure D., The Earthward Pilgrimage.
Craufurd, A. H., Christian Instincts and Modern Doubt.
Crooker, J. H., The Supremacy of Jesus.