1. D’Andrea, A. C., Mitiku Hailu, Butler, E. A. and Lyons, D. E. (1997). Ethnoarchaeological research in the Ethiopian highlands. Nyame Akuma 47, 19–26.
2. D’Andrea, C., Lyons, D., Mitiku Haile and Butler, A. (this volume). Ethnoarchaeological approaches to the study of prehistoric agriculture in the highlands of Ethiopia. In (M. van der Veen, ed.) The Exploitation of Plant Resources in Ancient Africa New York: Plenum Press.
3. Bard, K. A. (ed.) (1997). The Environmental History and Human Ecology of Northern Ethiopia in the late Holocene: Preliminary Results of a Multidisciplinary Project. Naples, lnstituto Universitario Orientale: Studi Africanistici Serie Etiopica 5.
4. Bard, K. A. and Fattovich, R. (1995). The B.U./I.U.O. excavation at Bieta Giyorghis, Aksum: an interim report. Nyame Akuma 44, 25–27.
5. Bard, K. A. and Fattovich, R. (1997). The B.0/I.O.U. archaeological excavations at Bieta Giyorghis, Aksum: a preliminary report. Nyame Akuma 48, 22–28.