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ETHBIBSt. Urban Roggwil v. O. aus mInlandflgeLBS MH.tif cm exhibition history Institution ETHBibliothek Fotografie Glasplattennegativ object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek St Urban Roggwil aus Uploaded with GWToolset ETHBIBSt Urban Roggwil aus mInlandflgeLBSMH