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CHNB Yverdon von Sdosten Collection Gugelmann GSGUGEBONJOURF.tif Information Creator JeanBaptiste Bonjour Creator Johann Hrlimann Yverdon von Sdosten Yverdon Aquatinta koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBONJOURF helveticarchives ch aspx ID helveticarchives ch Swiss