- The Future of Christian Learning: An Evangelical and Catholic Dialogue
- Protestant Theology and the Making of the Modern German University
- Religion and the Rise of Historicism: W. M. L. de Wette, Jacob Burckhardt, and the Theological Origins of Nineteenth-Century Historical Consciousness
- God and the Atlantic: America, Europe, and the Religious Divide
- The Pope and the Professor: Pius IX, Ignaz Von Dollinger, and the Quandary of the Modern Age