BURG LINE, and MEUSE-ARGONNE, having separate articles, in which fresh light is shed on their origin and course, and their con duct is examined with frank and impartial regard for historical truth which documentary and personal evidence has made possible and the lapse of time has made suitable. The course of events in subsidiary theatres is described in such articles as CAUCASUS ; DARDANELLES ; PALESTINE ; MESOPOTAMIA; SALONIKA; SERBIAN, and EAST AFRICAN campaigns.
For more detailed information on the development of the in struments and methods of warfare during modern history, the reader should consult such articles as AIR COMBAT ; AIR WAR FARE ; AMMUNITION ; ARMY ; ARTILLERY ; BRIDGING; CAMOU FLAGE ; CHEMICAL WARFARE ; CONSCRIPTION ; CROSS-COUNTRY TRANSPORT ; FORTIFICATION AND SIEGECRAFT ; GUERRILLA WAR FARE; INFANTRY; MEDICAL SERVICE; MOTOR TRANSPORT; MOUN TAIN WARFARE; ORDNANCE; SMALL ARMS; SIGNALLING; SMOKE IN WARFARE; STAFF; STRATEGY; SUPPLY AND TRANSPORT; TAC TICS ; TANKS and WAR.