Hyde, H. Montgomery 1907- British air policy between the wars, 1918-1939 / H. Montgomery Hyde ; with a foreword by Sir John Slessor. - London : Heinemann, 1976. - xx,539p,leaf of plate,[32]p of plates. ISBN: 0434479837 Subjects--Topical Terms: Aeronautics--Great Britain. Subjects--Geographic Terms: Great Britain--History, Military--20th century.