References
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The Age of Terrorism. Boston: Little, Brown & Co, 1987.
The Anarchist and the Partisan: Two Types of Terror in the History of Irregular Warfare." Terrorism and Political Violence 20, no. 3 (2008). "
The Proud Tower: A Portrait of the World Before the War, 1890–1914 . New York: Scribner/Macmillan, 1966.
Wolves in the City: The Death of French Algeria. London: Rupert Hart Davis, 1971.
Thinking Like a Terrorist: Insights of a Former FBI Undercover Agent . Washington, DC: Potomac Books, 2007.
Italy’s Attacks on Migrants Fuel Debate on Racism. The New York Times, , 2008.
The Terror Network: The Secret War of International Terrorism . New York: Henry Holt & Co , 1981.
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The American Connection: US Guns, Money, and Influence in Northern Ireland . New York: Viking , 1987.
How Terrorism Ends. United States Institute of Peace Special Report, 1999.
How Terrorism Declines." Terrorism and Political Violence 3, no. 1 (1991): 69-87. "
The International Campaign Against Anarchist Terrorism, 1880–1930s." Terrorism and Political Violence 21, no. 1 (2009): 89-109. "