Trade and politics in the Niger Delta, 1830-1885 - Dike, K. Onwuka (Kenneth Onwuka) (Oxford, 1956)
"Grew out of [the author's]...thesis for the degree of doctor of phi losophy (history) in the University of London."
Bibliographical references included in "Note on the sources" (p. [22 4]-230)
Keywords: Nigeria -- Economic conditions; Nigeria -- Politics and government