Tom Holland, Dynasty: The Rise and Fall of the House of Caesar (New York: Doubleday, 2015).
Tom Holland, The Forge of Christendom: The End of Days and the Epic Rise of the West (New York: Doubleday, 2008).
Tom Holland, Persian Fire: The First World Empire and the Battle for the West (New York: Doubleday, 2005).
Michael Kulikowski, The Triumph of Empire: The Roman World from Hadrian to Constantine (Cambridge, Massachusetts, & London, England: Harvard U. Press, 2016).
Stacy Schiff, Cleopatra: A Life (New York: Little, Brown, 2010).
