1. Allen, J. R. L. (1986). Interpretation of some Roman-British smithing slag from Awre in Gloucestershire. Historical Metallurgy, 20(2), 97–104.
2. Anderson, M. S. (2009). Marothodi: The historical archaeology of an African capital. Northamptonshire: Atikkam Media Limited.
3. Avery, D. H., Van der Merwe, N. J., & Saitowitz, S. (1988). The metallurgy of the iron bloomery in Africa. In R. Maddin (Ed.), The beginning of the use of metals and alloys (pp. 261–282). Cambridge: M.I.T. Press.
4. Bachmann, H. G. (1982). The Identification of slags from archaeological sites. Occasional publication no.6. London: University of London, Institute of Archaeology.
5. Barndon, R. (1996). Fipa ironworking and its technological style. In P. R. Schmidt (Ed.), The culture and technology of African iron production (pp. 58–73). Gainesville: University Press Florida.