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CHNB Chtelard Chteau von Sdosten Collection Gugelmann GSGUGENTHIGERF.tif Information Chtelard Chteau von Sdosten Le Chtelard VD heute zu Montreux Kupferstich Swiss National Library CHNBCollection Gugelmann PDold User Swiss National Library GSGUGENTHIGERF helveticarchives ch aspx ID helveticarchives ch Swiss National Library