a mighty fortress is our god albert of mainz augsburg confession bartholomaeus arnoldi christianity council of constance decet romanum pontificem desiderius erasmus diet of speyer estates of the realm exsurge domine german language germany girolamo aleandro holy roman emperor jan hus johann cochlaeus johann eck johann von staupitz justus jonas karl von miltitz late middle ages luther bible luther and antisemitism luther rose lutheranism martin luther modern times on the bondage of the will on the freedom of a christian on the jews and their lies papal bull philipp melanchthon pope leo x protestant reformation rhine sacramental union smalcald articles staatsgalerie stuttgart the adoration of the sacrament the ninety-five theses theology of the cross to the christian nobility of the german nation treatise on the power and primacy of the pope vom schem hamphoras wittenberg words of institution