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Keywords from Image Description:
Godesburg Merian . Kupferstich Godesberg aus Matthus Merians Topographia Archiepiscopatuum Moguntinensis etc Copperplate engraving of the fortress by Matthus Merian from Topographia Archiepiscopatuum Moguntinensis etc De Merian Mainz Trier Kln Matthus Merian PDold Files by user Liondancer History of Bonn Engravings by Matthus