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CHNB Handeggfall der Aare Collection Gugelmann GSGUGEWOLF.tif Information Creator Caspar Wolf Creator CharlesMelchior Descourtis Handeggfall der Aare Handeggfall Farbkupferstich Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEWOLF helveticarchives ch aspx ID helveticarchives ch Swiss