1905
Ramsay, William, b 1862, army officer and colonial administrator, Author.
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1905
Rigby, Percy George, 1871-1915, army officer, Author.
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1908
Great Britain. General Staff. Topographical Section.
1896
BROWN, Robert M.A., Ph.D
1876
CHAILLÉ-LONG, Charles Bey
1905
Great Britain. General Staff. Topographical Section.
1871
JONVEAUX, Émile.
1955
Sudan. Maṣlaḥat al-Misāḥah.
1954
Khartoum : Sudan Survey Dept.
1904
East Africa Syndicate Ltd, fl 1902-1904, Creator.
1:634k