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CHNB Klus Burg Blauenstein Gesamtaussenansicht Collection Gugelmann GSGUGEGESSNERS. Information Klus Burg AltFalkenstein Blauenstein Gesamtaussenansicht Blick auf die Burg Blauenstein ber Klus ragend Klus File Zentralbibliothek Solothurn Blauenstein im Canton Solothurn tif Swiss National Library CHNBCollection Gugelmann PDold