11 books • 4 series
Adamawa Past and Present
Britain's Imperial Administrators, 1858-1966 (St-Anthony's)
The Emirates of Northern Nigeria (Modern Revivals in African Studies S.)
Pacific Prelude
Pastoralists of the West African Savanna (International African Seminars, No 2)
West African Passage
Nigeria Since 1970
Modern Hausa Reader
Hausa (Teach Yourself)
Crisis and Conflict in Nigeria
Introduction to the History of the Islamic States of Northern Nigeria