Sumption, Jonathan. The Hundred Years War I: Trial by Battle. London: Faber Faber, 1991.
– -. The Hundred Years War II: Trial by Fire. London: Faber Faber, 1999.
Tuchman, Barbara W. A Distant Mirror: The Calamitous Fourteenth Century. New York: Alfred A. Knopf, 1978.
Vale, Malcolm. War and Chivalry: Warfare and Aristocratic Culture in England, France and Burgundy at the End of the Middle Ages. Athens: University of Georgia Press, 1981.
White, Lynn, Jr. Medieval Technology and Social Change. Oxford: Clarendon Press, 1962.
Wright, Nicholas. Knights and Peasants: The Hundred Years War in the French Countryside. Woodbridge, Eng.: Boydell Press, 1998.
Wroe, Ann. A Fool and His Money: Life in a Partitioned Town in Fourteenth-Century France. New York: Hill and Wang, 1995.
Zimmer, Heinrich. The King and the Corpse. Princeton: Princeton University Press, 1971.
Deutsch, David. The Fabric of Reality: The Science of Parallel Universes and Its Implications. New York: Penguin, 1997. A brilliant, stimulating and very well written book. See particularly the photon interference demonstration of multiverses, on which my own text relies.
– -, and Michael Lockwood. "The Quantum Physics of Time Travel." Scientific American, March 1994, pp. 68-74.
Kaku, Michio. Hyperspace. New York: Oxford University Press, 1994.
Milburn, Gerard J. Schrödinger's Machines: The Quantum Technology Reshaping Everyday Life. New York: W. H. Freeman, 1997.
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Misner, Charles W., Kip S. Thorne and John A. Wheeler. Gravitation. San Francisco: W. H. Freeman, 1973.
Nahin, Paul J. Time Machines. 2nd ed. New York: Springer-Verlag, 1999. See particularly "Tech Note 9: Wormhole Time Machines," pp. 489-525.
Thorne, Kip S. Black Holes and Time Warps. New York: Norton, 1994.
Wheeler, John Archibald, with Kenneth Ford. Geons, Black Holes and Quantum Foam. New York: W. W. Norton,