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Keywords from Image Description:
CHNB Thun Ortsteilansicht Collection Gugelmann GSGUGEABERLI.tif etching File CHNB Thun Teilansicht vom Schloss gegen den See Collection Gugelmann GSGUGEABERLIC tif etching Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEABERLI helveticarchives ch aspx ID helveticarchives ch Swiss