1. Symbols of Death: An Analysis of the Consciousness of the Karanga;Aschwanden,1987
2. Symbols of Life: An Analysis of the Consciousness of the Karanga;Aschwanden,1982
3. The Identification of Slags from Archaeological Sites;Bachmann,1982
4. The Ruined Cities of Mashonaland: Being a Record of Excavation and Exploration in 1891;Bent,1896
5. Precolonial copper metallurgy: sociopolitical context;Bisson,2000