1. Depression, dust bowl, demography and drought: the colonial state and soil conservation in East Africa during the 1930s;Anderson;African Affairs,1984
2. The scramble for Eden; past, present and future in African conservation;Anderson,1987
3. Land Development Survey Third Report 1929–1930, Uluguru Mountains, Eastern Province: Part I. Tanganyika Territory;Bagshawe,1930
4. Rethinking range ecology: implications for rangeland management in Africa;Benkhe,1993
5. Quantifying sustainability;Biot,1991