John Hanning Speke although the pair seemed to have shared the hardships and labors of the journey pretty much evenly. Once it became clear that Speke might have found the source of the Nile the relationship deteriorated further. Why Burton did not journey back to Lake Victoria with Speke to make a better reconnoitre of the Lake after Speke returned to base camp in Kazeh is unclear. Burton was incapacitated and had to be carried by bearers but this had been true for a great deal of the trip. While Speke and Burton were instrumental in bringing the source of the Nile to
Travels to Discover the Source of the Nile the best is that of Major (afterwards Sir) Francis Head, the author of a well-informed "Life of Bruce" (London, 1830). Wrote Head of Bruce's descriptions: Travels to Discover the Source of the Nile Travels to Discover the Source of the Nile, In the Years 1768, 1769, 1770, 1771, 1772 and 1773 is a multi-volume account by the Scottish traveller James Bruce (1730–94) of his journeys in the Horn of Africa, which includes an eye-witness account of Ethiopian history and culture, as well as a description of that country and the neighboring kingdom of Sennar and the Ottoman province of Habesh.