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Gttlicher Schriftmessiger. de Gttlicher Schriftmessiger woldennckwrdiger Traum welchen der Hochlbliche Churfrst Friedrich zu Sachsen mal nacheinander gehabt en broadside on the centenary of the German Reformation and prophetic dream of Friedrich III of Saxony on Luther's posting of the Theses in Wittenberg showing on the left Martin