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CHNB Stans Drachenhhle mit Reisegesellschaft Collection Gugelmann GSGUGEWOLF.tif Information Creator Caspar Wolf Creator CharlesMelchior Descourtis Stans Drachenhhle mit Reisegesellschaft Drachenhhle bei Stans Stans Farbkupferstich Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEWOLF helveticarchives