List of plant diseases occurring in Southern Rhodesoa
Hopkins, J.C.F.
List of plant diseases occurring in Southern Rhodesoa - Salisbry 1930 - 1-4 p. - Diseases, Plant Rhodsia Ministry of Agriculture. Bulletin No. 788 .
List of plant diseases occurring in Southern Rhodesoa - Salisbry 1930 - 1-4 p. - Diseases, Plant Rhodsia Ministry of Agriculture. Bulletin No. 788 .