1. Anon., 1952: Spectrographic analyses. Appendix A. Annual Report for 1951, East African Fisheries Research Organization. Jinja, Uganda. East Africa High Commission. 49 pp.
2. Anon., 1958: Jebel Marra investigations. Report to Ministry of Irrigation and Hydroelectric Power. Ministry of Agriculture, Government of the Republic of the Sudan. Hunting Technical Services Ltd., London. 112 pp.
3. 1938: Geology of the Magadi area. Rep. geol. Surv. Kenya, No. 42, Nairobi. 81 pp.
4. 1959: Apparatus and methods of oceanography. Part I. Chemical. Allen and Unwin, London. 341 pp.