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CHNB Rosenlauigletscher mit Wellhrnern und Wetterhorn Collection Gugelmann GSGUGEWEIBELE.tif Information Rosenlauigletscher mit Wellhrnern und Wetterhorn Rosenlauigletscher Aquatinta koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEWEIBELE helveticarchives ch aspx ID helveticarchives