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Konrad I. Erzbischof von Mainz. de Konrad Erzbischof von Mainz Institution sterreichische Nationalbibliothek onb ac at bildarchivaustria at aspx piBildID bildarchivaustria at date unknown PDold File Konrad von Wittelsbach Konrad von Wittelsbach Engravings in the Austrian National Library Engraved oval portraits of men at