Egypte et Soudan : manuel du voyageur - Baedeker, Karl, <editore tedesco, 1837-1911>. (OLS)http://semarc/name/117991 (Karl Baedeker ; Paul Ollendorff,, 1914)
Keywords: Sudan - Guide. (OLS)http://semarc/subject/54150; Egitto - Guide. (OLS)http://semarc/subject/18493