Martin Luther, Ein sermon von Ablass und Gnade (A Sermon on Indulgences and Grace). Leipzig: Wolfgang Stöckel, 1518. Luther Memorials Foundation of Saxony-Anhalt.
Johann Tetzel, Vorlegung gemacht von Bruder Johan Tetzel Prediger Ordens Ketzermeister (Rebuttal Made by Brother Johann Tetzel, the Order of Preachers’ Inquisitor of Heretics). Leipzig: Melchior Lotter the Elder, 1518. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, Resolutiones disputationum de indulgentarum virtute (Resolutions on the Disputation on the Power and Efficacy of Indulgences). Wittenberg: Johann Rhau-Grunenberg, 1518. Martin-Luther-Universität Halle-Wittenberg, Universitäts- und Landesbibliothek in Halle (Saale).
Pope Leo X, Exsurge domine. Bulla contra errores Martini Lutheri et sequacium (Bull Against the Errors of Martin Luther and his Followers). Rostock: Ludwig Dietz, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, Adversus execrabilem Antichristi bullam (Against the Detestable Bull of the Antichrist). Wittenberg: Melchior Lotter the Younger, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, An den christlichen Adel deutscher Nation (To the Christian Nobles of the German Nation [German]). Wittenberg: Melchior Lotter the Younger, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, De captivitate Babylonica ecclesiae praeludium (On the Babylonian Captivity of the Church, a Prelude [Latin]). Leipzig: Melchior Lotter the Elder, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Thomas Murner (translator), Von der Babylonischen gefengknusz der Kirchen (On the Babylonian Captivity of the Church [German]). Strasbourg: Johann Schott, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, Epistola Lutheriana ad Leonem decimum. Tractatus de libertate Christiana (Letter from Luther to Leo X. Tract on Christian Liberty [Latin]). Wittenberg: Melchior Lotter the Younger, 1520. Luther Memorials Foundation of Saxony-Anhalt.
Martin Luther, Von der Freyheyt eynisz Christen menschen (On the Freedom of a Christian [German]). Wittenberg: Johann Rhau–Grunenberg, 1520. Luther Memorials Foundation of Saxony-Anhalt.