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 preface by Marshal Foch and an introduction by Field-Marshal Sir Henry Wilson, bart.