Allen, William, 1793-1864.

A narrative of the expedition sent by Her Majesty's government to th e river Niger, in 1841 ; under the command of Captain H. D. Trotter, R. N. Thomso, published with the Admiralty. - London : R. Bentley, 1848. - 2 v. : ill. ; 22 cm.


Niger expedition, -- 1841.


Africa, West -- Description and travel.
Niger River -- Description and travel.

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