Routledge · Yale University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Studies in Southern Nigerian History: A Festschrift for Joseph Christopher Okwudili Anene 1918-68 | 978-0-7146-3106-6 (0-7146-3106-X) | 1982 |
| West African states and European expansion;: The Dahomey-Niger hinterland, 1885-1898, | 978-0-300-01299-6 (0-300-01299-3) | 1971 |