The riddle of the Rhine; chemical strategy in peace and war. : An account of the critical struggle for power and for the decisive war initiative. The campaign fostered by the great Rhine factories, and the pressing problems which they represent. A matter of pre-eminent public interest concerning the sincerity of disarmament, the future of warfare, and the stability of peace / By Victor Lefebure ... With a prefance by Marshal Foch and an introduction by Field-Marshal Sir Henry Wilson, bart. ...