- PhD, University of Michigan, 1980
- BA, Harvard University, 1970
- United States History, 1815-1865
- Antebellum Politics
- Civil War
- The Irish in America
- U.S. History to 1865 (HY 103)
- The Jacksonian Era (HY 300)
- The Coming of the Civil War (HY 314)
- The Civil War (HY 315)
- Life of Abraham Lincoln (HY 316)
- Survey of Irish History (HY 390)
- The Literature of American History (HY 601)
Blount Program Courses
- Individualism and Its Critics in American Life
- Against the Grain: Challenging Our Central Values
- Technology and Human Values in the Digital Age
Awards and Honors
- Outstanding Commitment to Teaching Award, UA Alumni Association (2011)
- Last Lecture Award, UA Students and UA Graduate School (2010)
- Distinguished Teaching Fellow, UA College of Arts and Sciences (2005)
- Lilly Teaching Scholar, UA and Lilly Endowment (1989)
- The Politics of Individualism: Parties and the American Character in the Jacksonian Era (New York: Oxford University Press, 1989, paperback ed., 1991).
- Editor, St. Clair Mulholland, The Story of the 116th Regiment Pennsylvania Volunteers in the War of the Rebellion (New York: Fordham University Press, 1995).
- Editor, David Power Conyngham, The Irish Brigade and Its Campaigns (New York: Fordham University Press, 1994).
- Editor, William Corby, Memoirs of Chaplain Life: Three Years with the Irish Brigade in the Army of the Potomac (New York: Fordham University Press, 1992).
- Editor, American Civilization in the Nineteenth Century (Kendall/Hunt, 1990).
- Editor, Irish Green and Union Blue: The Civil War Letters of Peter Welsh (New York: Fordham University Press, 1986, paperback edition, 1994).