Crossing Hitler: The Man Who Put the Nazis on the Witness Stand (New York: Oxford University Press, 2008).
Death in the Tiergarten: Murder and Criminal Justice in the Kaiser's Berlin, (Cambridge: Harvard University Press, 2004)
"The 'Captain of Koepenick' and the Transformation of German Criminal Justice, 1891-1914", Central European History 36 (1), 2003.
"'Goak Here': A.J.P. Taylor and the Origins of the Second World War," Canadian Journal of History 31, August 1996