Book call no. Washington, Smithsonian Institution Press, 1993. I era including not just Germany, France, Britain, and the United States but also Russia, Austria-Hungary, and Italy. Moreover, the chronological arrangement in which each country is discussed separately by year results in a rather choppy narrative. But readers who persist will be rewarded with a wealth of insights on the evolution of air doctrine, organization, command relationships, the formulation of air strategy, and so on, in each of the contending nations.
Book call no.
A Study and Appraisal . Foreword by General Carl Spaatz. New York, Duell, Sloan and Pearce, 1955. Book call no. U.S. Air Force.