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CHNB Bern Teilansicht von Nordwesten Collection Gugelmann GSGUGEABERLIC.tif Information Creator Johann Ludwig Aberli Bern Teilansicht von Nordwesten Bern Umrissradierung koloriert File CHNB Bern Teilansicht von Nordwesten Collection Gugelmann GSGUGEABERLIC tif Swiss National Library CHNBCollection Gugelmann PDold User Swiss