- Author: Karim F. Hirji, Yoweri Museveni, Henry Mapolu, Zakia Hamdani Meghji, George G Hajivayanis, Christopher C Liundi
- Language: English
- Year: 2010
- Author: Henry Mapolu Miss. J. Wells M.A. Bienefeld S.M. Mbilinyi M.P. Collinson R.H. Sabot
- Language: English
- Year: 1972
- Author: Issa G. Shivji, Harrison Mwakyembe, Aggrey Mlimuka, Palamagamba Kabudi, Wilbert Kapinga, Henry Mapolu, Shamshad Naali, Chris Peter, Sengodo Mvungi
- Language: English
- Year: 1986