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CHNB Grimsel Hospiz und Grimselsee Collection Gugelmann GSGUGEBIRMANNSC.tif Information Creator Samuel Birmann Grimsel Hospiz und Grimselsee Grimsel Aquatinta koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBIRMANNSC helveticarchives ch aspx ID helveticarchives ch Swiss National