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CHNB Dbendorf Ruine Dbelstein Teilaussenansicht Collection Gugelmann GSGUGEGESSNERS.tif Information Dbendorf Ruine Dbelstein Teilaussenansicht Ansicht der Ruine Dbenstein im Vordergrund unten der Wisbach Dbendorf Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEGESSNERS helveticarchives