Underground warfare 1914 - 1918 - Jones, Simon (Pen & Sword Military, 2010)
Keywords: World War, 1914-1918 / Tunnel warfare / Western Front; World War, 1914-1918 / Engineering and construction; World War, 1914-1918 / Personal narratives; Weltkrieg (1914-1918); Unterirdisches Bauwerk; Erster Weltkrieg; Westfront