Teaches United States history and has a special interest in the Civil War era, the American South, and nationalism in the Americas and Europe.

Professor Doyle teaches undergraduate courses on nationalism, the American history survey, and a course on Faulkner and Southern History. He also teaches graduate seminars on US history in the nineteenth century.

His publications include:

• The Social Order of a Frontier Community
• Nashville in the New South
• Nashville Since the 1920s
• New Men, New Cities, New South
• The South as an American Problem (co-edited with Larry Griffin)
• Faulkner's County: The Historical Roots of Yoknapatawph
• Nations Divided: America, Italy, and the Southern Question
• Nationalism in the New World (co-edited with Marco Pamplona)
• Secession as an International Phenomenon, a collection of essays 

Current Activities

I was on leave as a fellow at the National Humanities Center in 2011-12 and am finishing a book on “America’s International Civil War,” which views the war as part of a wider historic struggle over the future of democracy and human equality.