Explorer and officer of the British Indian Army (1827-1864) who is most associated with the search for the source of the Nile, and was the first European to reach Lake Victoria. He is also known for advancing the Hamitic hypothesis in 1863. Scarce, bold ink signature, "J. H. Speke,” on an off-white 4 x 1.25 slip, affixed to a slightly larger page annotated in another hand. In fine condition.
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