Note 208 — Chapter III
Reading edition
B. Z. Seligman, "Note on the Languages of the Nubas of S. Kordofan," Zeitschr. f. Kol.-spr. I. 1910-11; C. G. Seligman, "Some Aspects of the Hamitic Problem," etc., Journ. Roy. Anthr. Inst. XLIII. 1913, p. 621 ff.