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Regensdorf Ruine Burg AltRegensberg Aquarell . Regensdorf ZH Ruine der Burg Regensberg Altburg Freiherren von Regensberg Aquarell um von Ludwig Schulthess Website burgenseite ch erste Hlfte des Jahrhunderts Ludwig Schulthess upload by Roland zh on April PDold Files by User Roland zh Ruine AltRegensberg Engravings of castles