Schaff, Philip. Germany; Its Universities, Theology, and Religion; with Sketches of Neander, Tholuck, Olshausen, Hengstenberg, Twesten, Nitzsch, Muller, Ullmann, Rothe, Dorner, Lange, Ebrard, Wichern, and other Distinguished German Divines of the Age. Philadelphia: Lindsay and Blakiston; New York: Sheldon, Blakeman & Co., 1857. 418 p.