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CHNB Reusstal von Norden mit ZwingUri Collection Gugelmann GSGUGEBLEULER.tif Information Creator Johann Heinrich Bleuler Reusstal von Norden mit ZwingUri Reusstal Gouachemalerei Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBLEULER helveticarchives ch aspx ID helveticarchives ch Swiss