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The Gash Delta
Richards, C. H., (1950)
Agriculture, forests and soils of the jur ironstone country of the Bahr El Ghazal Province, Sudan
Eyre, V. E. F., (1953)
A note on the agriculture of the Azande
McCall, A. G., (1950)
Some aspects of agricultural development in the Sudan : a paper pres. at the 1953 Conference of the Philosophical Society of the Sudan on Food and Society in the Sudan
Moir, T. R. G., (1954)
Grasses in agriculture
Whyte, R. O., (1959)
The population of Sudan : report on the 6. Annual Conference, held in the University of Khartoum ; 16.-17.1.1958
(1958)