oxford pamphlets on world affairs Japan and the modern world / by John Pratt Stanford's general map the Middle East Aeronautical research in the Netherlands / by H.J. van der Maas Disengagement / Eugène Hinterhoff ; with a foreword by John Slessor pan grand strategy series Imperial War Museum book of the First World War / Malcolm Brown Capitalism, socialism and democracy / Joseph A. Schumpeter war in the air : being the story of the part played in the great war by the Royal Air Force : Vol. VII : … Fortification : its past achievements, recent development, and future progress / by George Sydenham Clarke Spies and traitors : a short history of espionage / Kurt Singer miscellaneous Report concerning the disappearance of two former Foreign Office officials Instruction in military engineering : Field defences / School of military engineering Instruction in military engineering : Military mining / School of military engineering