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