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CHNB Greifensee von Norden Collection Gugelmann GSGUGETHOMANNC.tif Information Creator Heinrich Thomann Creator Johann Heinrich Bleuler Greifensee von Norden Greifensee Umrissradierung koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGETHOMANNC helveticarchives ch aspx ID helveticarchives