1. Natural changes in grass zonations in a Red Locust outbreak centre in the Rukwa Valley, Tanganyika;Albrecht;South African Journal of Agricultural Science,1964
2. Locusts in Northern Rhodesia, Northern Rhodesia Department of Agriculture;Allan;Annual Bulletin,1931
3. The African husbandman.;Allan,1965
4. The soils of Tanganyika.;Anderson,1963
5. Anatomy and morphology of the vegetative organs of Sorghum vulgare.;Artschwager,1948