Narrative of an expedition into the interior of Africa by the River Niger in the steam-vessels Quorra and Alburkah in 1832, 1833 and 1834 /
Laird, MacGregor,1808-1861.
Oldfield, R.A.K.
London : Richard Bentley,
1837.
"Mr. Oldfield's journal" : v. 1, p. [307]-451; v. 2, p. 1-409.
Scientific expeditions.