1857
BARTH, Heinrich Traveller
1827
Vandermaelen, Philippe, 1795-1869
1:2m
1927
1:2m
1890
C.L. Keller
1:4m
1907
Great Britain. General Staff. Topographical Section.
1894
ALIS, Harry pseud. [i.e. Jules Hippolyte Percher.]
1893
Morgen, Curt von.
1960
Federal Surveys, Nigeria (Revision)
1:1m
1967
USSR (Union of Soviet Socialist Republics).
1:4m
1925
Paris : Union Graphique.