Originalkarte von Burton's u. Speke's Entdeckungen in Inner-Afrika 1857 u. 1858
1859|Petermann, August1:7 000 000
Deux ans dans l'Afrique orientale ... Illustration par E. Bayard
1871|JONVEAUX, Émile.
Two Years in East Africa: Adventures in Abyssinia and Nubia, with a journey to the sources of the Nile ... [Translated from the French.]
1875|JONVEAUX, Émile.
Lake Victoria; a narrative of explorations in search of the source of the Nile. Compiled from the Memoirs of Captains Speke and Grant, by G. C. Swayne. [With illustrations and map.]
1868|SPEKE, John Hanning.
Die deutschen Kolonien in Afrika
1870|A. Hartleben's Verlag1:7 500 000
Deux ans dans l'Afrique orientale ... Illustration par E. Bayard