The soils, vegetation and agricultural systems of North Western Rhod esia : report of the Ecological survey - Trapnell, Colin Graham; Clothier, J. N. (Lusaka : Govt. printer, 1936)
At head of title : Northern Rhodesia
Keywords: Agriculture -- Rhodesia, Northern; Soils -- Addresses, essays, lectures; Botany -- Rhodesia, Northern; Plant communities; Rhodesia, Northern