Air strategy / by N.N. Golovine Tableau de la Grande-Bretagne pendant la guerre More laughs with the forces / compl. and publ. by S. Evelyn Thomas history of the British navy during the war : adapted from colonel John Buchan's "History of the war" / H.C. O'Neill Identification list for ordnance, B.L. 5.5-inch, Mark III and ordnance, B.L. 4.5.-inch mark II on carriage, 5.5-inch or 4.5-inch gun, mark I Identification list for ordnance, S.B. 4.2-inch mortar mark 2 on mounting, 4.2 inch S.B.mortar mark 3 also plate, base, mobile 4.2-inch s.b. mortar, mark 1 Instruments for testing optical and fire control instruments Signal training : (all arms) / the War Office - Engeland Voorschrift, 26/Manuals/302 Power supply for field wireless sets - Engeland Voorschrift, 26/Manuals/81 Organization and inter-communication in the field - Engeland Voorschrift, 26/Manuals/90 Construction and maintenance of lines (War Office) - Engeland Voorschrift, 26/Manuals/381 manuals of emergency legislation Defense of the realm manual / ed. by Charles Cook