Pipkin, H. Wayne. A Zwingli Bibliography. Pittsburgh: Pittsburgh Theological Seminary, 1972, 157 p.
Useful English bibliography of work on Zwingli.
Farner, Oskar. Zwingli the Reformer: His Life and Work. Translated by D. G. Sear. New York: Philosophical Library, 1952, 135 p.
English translation of an early biography of Zwingli.
Gäbier, Ulrich. Huldrych Zwingli: His Life and Work. Translated by Ruth Gritsch. Philadelphia: Fortress Press, 1986, 196 p.
(The entire section is 418 words.)