Henry Morton Stanley's first trans-Africa exploration for and successfully found the missionary and explorer Livingstone, greeting him with the famous (though disputed) words: “Dr. Livingstone, I presume?” Stanley's journey had four principal aims, to: There was controversy among earlier explorers as to whether these lakes and rivers were connected to each other and the Nile. Richard Burton thought that Lake Victoria might have a southern inlet, possibly from Lake Albert, meaning that the source of the Nile was not Lake Victoria as Speke had argued. Samuel Baker thought that Lake Albert might have an inlet from Lake Tanganyika. Livingstone thought that Lualaba was the source of
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.