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CHNB Lachen von Westen Collection Gugelmann GSGUGEPFENNINGERC.tif Information Creator Matthias Pfenninger Lachen von Westen Lachen Umrissradierung koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEPFENNINGERC helveticarchives ch aspx ID helveticarchives ch Swiss National Library