Ad Carolum Rom. Imperatorem, fidei Huldrychi Zuinglii ratio. Eiusdem quoque ad illustrissimos Germaniae principes Augustae congregatos Epistola.
written by Ulrich Zwingli, 1484-1531; edited by Rudolf Gwalther, 1519-1586 and Leo Jud (Zurich, Zurich Canton: Christoph Froschauer (Publisher), 1530), 14 page(s)
