Home › Authors › Addis Ababa University. Department of History 👤 Addis Ababa University. Department of History 2 books Books by Addis Ababa University. Department of History Proceedings of the fifth semin Proceedings of the fifth seminar of the Department of History (Debre Zeit, 30 June-3 July 1989) 1990 Proceedings of the third annua Proceedings of the third annual seminar of the Department of History 1986