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Sudan Notes and Records Get access Sudan Notes and Records, Vol. XII, Part II, 1929. Pp. 154. A. E. R. A. E. R. Search for other works by this author on: Oxford Academic Google Scholar African Affairs, Volume XXIX, Issue CXVII, October 1930, Pages 554–555, https://doi.org/10.1093/oxfordjournals.afraf.a100282 Published: 01 October 1930
A. E. R. (Wed,) studied this question.