1. Abir, M. 1970. “Southern Ethiopia.” In Pre-colonial African trade: Essays on trade in Central and Eastern Africa before 1900, edited by R. Gray and D. Birmingham, 119–138. London: Oxford University Press.
2. Afigbo, A.E. and Okeke, C.S. 1985. Weaving tradition in Igboland: History and mechanism of Igbo textile industry. Lagos: Nigeria Magazine.
3. Alpers, E.A. 1975. Ivory and slaves: Changing patterns of international trade in East Central Africa to the later nineteenth century. Berkeley: University of California Press.
4. Alpers, E.A. 2009. East Africa and the Indian Ocean. Princeton: Markus Wiener.
5. Aronson, L. 1980. “Patronage and Akwete weaving.” African Arts 13(3): 62–66, 91.