About to start digging a trench - Official photograph taken on the British Italian front About to start digging a trench - Official photograph taken on the British Italian front Working on trenches - Official photograph taken on the British Italian front Men working in trenches - Official photograph taken on the British Italian front Unloading train of sand and cement for making trenches - Official photograph taken on the western front in France About to send up a rocket from a front line trench as a signal to our Artillery - Official photograph taken on the British western … Made in the trenches : composed entirely from articles and sketches contributed by soldiers / Frederick Treves ... and George Goodchild to-day and to-morrow Paris, or The future of war / B.H. Liddell Hart Franse loopgraafmortieren in actie - French trench mortars fired in action - Amerikaanse privéfoto's van de Eerste Wereldoorlog / Serie 1 U.S. Knife Model 1918 MK1 Trench van Edward Degener