North West Europe 1:250k, GSGS 2733 & 2733b

: [Dieppe] 3; Location: Research Collections, Fonds: WWI Trench Maps France, Box 2, Envelope 61.

: [Liege] 2; Location: Research Collections, Fonds: WWI Trench Maps France, Box 11, Envelope 24.

: [Mons-Laon] 4; Location: Research Collections, Fonds: WWI Trench Maps France, Box 2, Envelope 44.

: [Mons-Laon] 4; Location: Research Collections, Fonds: WWI Trench Maps France, Box 11, Envelope 25.

: [Namur] 5; Location: Research Collections, Fonds: WWI Trench Maps France, Box 7, Envelope 213.

: [Namur] 5; Location: Research Collections, Fonds: WWI Trench Maps France, Box 11, Envelope 26.

: [Ostende-Brussels-Lille] 1; Location: Research Collections, Fonds: WWI Trench Maps France, Box 11, Envelope 23.

: [Ostende-Brussels-Lille] 1 and part of 4; Location: Research Collections, Fonds: WWI Trench Maps France, Box 7, Envelope 212.