The works listed below were chosen because I found them useful in writing this work, they are in English, and they should be available in most college and university libraries.
Larry Addington. the Patterns of War through the Eighteenth Century. Bloomington, Ind., 1990.
Robert Andersen. Oared Fighting Ships. London, 1962.
Carl Brockelmann. History of Islamic Peoples. London, 1952.
The Cambridge History of Islam. 2 vols. Cambridge, 1970.
The Cambridge Medieval History. 10 vols. London, 1926.
Hans Delbrück. History of the Art of War. 4 vols., Westport, Conn., 1975-85.
R. E. and T. N. Dupuy. The Encyclopedia of Military History from 3500 B.C. to the Present. New York, 1977.
John Fuller. A Military History of the Western World. 3 vols. New York, 1954.
Oliver Hogg. Artillery: Its Origins, Heyday and Decline. London, 1970.
Michael Howard. War in European History. Oxford, 1976.
James Hughes. Military Architecture. New York, 1974.
Archer Jones. The Art of War in the Western World. Urbana, Ill., 1987.
Bjorn Landström. The Ship. Garden City, N.J., 1961.
William McNeill. The Pursuit of Power: Technology, Armed Force and Society since A.D. 1000. Chicago, 1982.
John Nef. War and Human Progress. Cambridge, 1950.
The New Cambridge Modern History. 14 vols. Cambridge, 1965.
Robert O'Connell. Of Arms and Men: A History of War, Weapons, and Aggression. Oxford, 1989.
Richard Preston and Sidney Wise. Men in Arms. New York, 1970.
Charles Quigley. Weapon Systems and Political Stability: A History. Washington, D.C., 1983.
William Reid. Weapons through the Ages. London, 1976.
Oliver Spaulding, et al. Warfare: A Study of Military Methods from Earliest Times. Washington, D.C., 1939.
Sidney Toy. A History of Fortification 3000 B.C. to A.D. 1700. New York, 1955.
Martin Van Creveld. Technology and War From 2000 B.C. to the Present. New York, 1989.
Quincy Wright. A Study of War. London, 1965.