The Riddle of the Rhine: Chemical Strategy in Peace and War by Victor Lefebure  || Lefebure, Victor || Gases, Asphyxiating and poisonous -- War use; Chemical warfare; World War, 1914-1918 -- Chemical warfare; Interessengemeinschaft der Deutschen Teerfarbenfabriken || World War I; Browsing: History - Warfare; Browsing: Politics; Browsing: Science - Chemistry/Biochemistry/Physics || Language : English