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Keywords from Image Description:
Silesia dvcatvsBlaeu Atlas . Coat of arms of the Duchy of Silesia taken from map in the Blaeu Atlas but it was rework from Silesia Ducatus Martino Helwigio Niense descriptus ca Theatrum orbis terrarum sive Atlas Novus from library ucla edu Blaeu Atlas File Blaeu Silesia Ducatus Willem Johann Blaeu PDold Coats of arms of