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CHNB Alpen Bergsee auf einem Schweizer Pass CH Collection Gugelmann GSGUGEKNIGB.tif Information Creator Franz Niklaus Knig Alpen Bergsee auf einem Schweizer Pass CH Bergsee auf einem schweizerischen Pass Alpen Aquarell Gouachemalerei Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEKNIGB