1900
Field Intelligence Department, 1899-1901, Surveyor. Jackson, Hugh Milbourne, b 1858, army officer, Editor.
1:63k
1900
Great Britain. War Office. Intelligence Division
1892
Troye, Gustav Arthur
1:500k
1967
USSR (Union of Soviet Socialist Republics).
1:1m
1700
1890
Wyld, James, 1812-1887
1:900k
1918
London : War Office
1875
Sulzer, J.
1:2m
1892
Troye, Gustav Arthur
1:500k
1827
Vandermaelen, Philippe, 1795-1869
1:2m