1917
War Office
1:20k
1715
B. v. Zyl fecit
1:5k
1711
1730
Bodenehr, Gabriel
1730
Bodenehr, Gabriel
1712
Fricx, Eugène Henry
1712
Fricx, Eugène Henry
1711
Fricx, Eugene Henry
1917
[London] : [Geographical Section, General Staff], November
1917
War Office
1:40k