Added Adolf Harnack article on Novatian to resources
Source: Herzog, J. J., Philip Schaff, Samuel Macauley Jackson, and David S. Schaff. “Novatian.”A Religious Encyclopaedia: Or Dictionary of Biblical, Historical, Doctrinal, and Practical Theology. Based on the Real-Encyklopädie of Herzog, Plitt, and Hauck. Vol. 3. New York: Funk & Wagnalls, 1891. N. pag. Web. 22 Feb. 2015. <http://books.google.com/books?id=xBfkAAAAMAAJ&vq=novatian&pg=PA1669#v=onepage&q&f=false>.