Belgium & N.E. France, 1:100.000, Railways /
Great Britain.Army.Army Group, 21st
[London : War Office,
1944]
"no. 32".
"(Based on GSGS 4336)".
Incomplete.
1 & 6a Dunkerque -- 2 Ghent -- 6B & 10A Hazebrouck-Lens.