Includes index.
Reprint (1st work). May have been originally published as: Notes for infantry officers on trench warfare / compiled by the British General Staff. Washington : G.P.O., 1917?
Reprint (2nd work). Originally published as: Diagrams of field defences / issued by the British General Staff. 1918? "S.S. 196. 40/W.O./6971. O.B./1008."