Europe, North West 1:250k Topographic Maps

: Amiens-Mons; GSGS (Series); 4042. 2nd ed., Army/Air. "Drawn and revised at the O.S., 1938. Re-revised and photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Brussels-Liége; GSGS (Series); 4042. 2nd ed., Army/Air. "Taken from Belgian 1:100,000, German 1:300,000 & Dutch 1:200,000." "Re-revised & photolithographed by O.S. 1943." Lambert conical orthomorphic projection.

: Chalons-Nancy; GSGS (Series); 4042. 2nd ed., Army/Air. "Compiled, drawn at O.S., 1939. Revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Folkestone-Boulogne; GSGS (Series); 4042. 2nd ed., Army/Air. "Re-revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Havre-Amiens; GSGS (Series); 4042. 2nd ed., Army/Air. "Drawn and revised at the O.S., 1939. Re-revised 1943. Photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Lille-Ghent; GSGS (Series); 4042. 2nd ed., Army/Air. "Taken from French 1:200,000, Belgian 1:100,000 and Dutch 1:200,000." "Re-revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Namur-Luxembourg; GSGS (Series); 4042. 2nd ed., Army/Air. "Taken from French 1:200,000, Belgian 1:100,000 & German 1:300,000." "Re-revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Paris-Reims; GSGS (Series); 4042. 2nd ed., Army/Air. "Compiled, drawn at O.S., 1939. Revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Rouen-Paris; GSGS (Series); 4042. 2nd ed., Army/Air. "Compiled & drawn at O.S., 1939. Revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.

: Walcheren-Amsterdam; GSGS (Series); 4042. 2nd ed., Army/Air. "Compiled by John Bartholomew & Son, Ltd. Taken from Dutch 1:200,000, Autokaart van Nederland 1:200,000, German 1:200,000 & 1:300,000." "Revised & photolithographed by O.S., 1943." Lambert conical orthomorphic projection.