- Ethiopia (Lets Visit Places and Peoples-Nations, Dependencies and Sovereignties of the World)
- The African Diaspora in the Indian Ocean
- Sylvia Pankhurst: Artist and Crusader
- A Social History of Ethiopia: The Northern and Central Highlands from Early Medieval Times to the Rise of Emperor Tewodros II
- Ethiopia Engraved: An Illustrated Catalogue of Engravings by Foreign Travellers from 1681 to 1900