View of the area at Essabua, Landscape near Es-Sebua, Signed: GV, Pl. 9, S. 87, Gau, Franz Christian (del.), Franz Christian Gau; Barthold Georg Niebuhr: Antiquit?s de la Nubie: ou monumens in?dits des bords du Nil, situ?s entre la premi?re et la sec