ALLEN, William; THOMSON, T.R.H.
Narrative of the expedition sent by Her Majesty's Government to the River Niger, in 1841.
First edition. 2 volumes, 8vo, xviii, 509; viii, 511 pp., 18 engraved plates (one folding), numerous illustrations in text, 3 maps (2 folding), original blue cloth gilt, spines faded, an attractive set.
Brunet 20865; Gay 2739.