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CHNB Werdenberg Schloss und Ortschaft von Sdwesten Collection Gugelmann GSGUGEBLEULERb.tif Information Creator Johann Ludwig Bleuler Schmidt Creator Friedrich Salath Werdenberg Schloss und Ortschaft von Sdwesten Werdenberg Aquatinta koloriert Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGEBLEULERb