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ETHBIBSpanien bei MadridMittelmeerflug LBS MH.tif Spezialmass exhibition history Institution ETHBibliothek Fotografie Negativ Mittelmeerflug Reportage mit Bildern alle digitalisiert object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Spanien bei Madrid Uploaded with GWToolset