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CHNB Rigi Kulm Collection Gugelmann GSGUGEBLEULER.tif Information Creator Johann Heinrich Bleuler Rigi Kulm Aussichtsturm Alphtte und erffnetes Gasthaus Gouachemalerei Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBLEULER helveticarchives ch aspx ID helveticarchives ch Swiss National