1857
BARTH, Heinrich Traveller
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1896
Langhans, Paul
1:2m
1897
Langhans, Paul
1:2m
1927
1:2m
1950
Craste, L.
1907
Great Britain. General Staff. Topographical Section.
1894
ALIS, Harry pseud. [i.e. Jules Hippolyte Percher.]
1960
Federal Surveys, Nigeria (Revision)
1:1m
1862
Church Missionary Society.
1:6m