Title: Herzog Albrecht von Preussen und das Bistum Ermland (1525-1550)
Subjects: Bibliography, Catalogs, Correspondence, Ermland (Ecclesiastical principality), Geheimes Staatsarchiv Preussischer Kulturbesitz, History, Reformation, Sources, Written communication
Places: Germany, Prussia, Warmia (Poland)
People: Albert Duke of Prussia (1490-1568)