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CHNB Lauteraargletscher mit Blick auf den Lauteraarsattel Collection Gugelmann GSGUGEWOLF.tif Information Creator Caspar Wolf Creator CharlesMelchior Descourtis Lauteraargletscher mit Blick auf den Lauteraarsattel Lauteraargletscher Farbkupferstich Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library