Peacekeepers and Conquerors: The Army Officer Corps on the American Frontier, 1821-1846 (University Press of Kansas, 2013).
Jackson's Sword: The Army Officer Corps on the American Frontier, 1810-1821 (Kansas, 2012).
Editor, The West Point History of the Civil War (Simon and Schuster, 2014).
Volume editor for North America to 1900, for The West Point History of Warfare (2013).
West Point History of Warfare chapter 24, “Warfare and the American Nation-State: Military Development, 1783-1845.”
“The Army Secures the Mississippi Valley: Officers, Filibusters, and Spain, 1793-1798,” Southern Studies: An Interdisciplinary Journal 20 (Winter 2013-14): 33-63.
“Conquerors, Peacekeepers, or Both? The U.S. Army and West Florida, 1810-1811, a New Perspective,” Florida Historical Quarterly (Fall 2013): 69-105.
“Trusting to ‘the Chapter of Accidents’: Contingency, Necessity, and Self-Constraint in Jeffersonian National Security Policy,” Journal of Military History 76 (October 2012): 973-1000.
“Continuity in Civil-Military Relations and Expertise: The U.S. Army during the Decade before the Civil War,” Journal of Military History 75 (January 2011): 221-50.
“Seminole Strategy, 1812-1842,” in William Belko, ed., America’s Hundred Years War: U. S. Expansion to the Gulf Coast and the Fate of the Seminole, 1763-1858 (University Press of Florida, 2010), 155-80.
“Soldier, Expansionist, Politician: Eleazer Wheelock Ripley and the Dance of Ambition in the Early American Republic,” in Gene A. Smith, ed., Nexus of Empire: Loyalty and National Identity in the Gulf Borderlands, 1763-1835 (University Press of Florida, 2010), 321-46.
Historiography of “The U.S. Army to 1900,” in James C. Bradford, ed., The Blackwell Companion to American Military History (Blackwell, 2009), 338-59.
“How the Army Became Accepted: West Point Socialization, Military Accountability, and the Nation-State during the Jacksonian Era,” American Nineteenth Century History 7 (June 2006): 217-49.
Editor (compiled and wrote introductory essay for), The International Library of Essays in Military History: Warfare in the USA, 1783-1861 (Ashgate Publishing, 2005), (introduction xv-li).
“Developing ‘Republican Machines’: West Point and the Struggle to Render the Officer Corps Safe for America,” in Robert M.S. McDonald, ed., Thomas Jefferson's Military Academy: Founding West Point (University Press of Virginia, 2004), 154-81.
“Thomas Sidney Jesup: Soldier, Bureaucrat, Gentleman Democrat,” in Michael A. Morrison, ed., The Human Tradition in Antebellum America (Scholarly Resources, 2000), 99-114.
“’This Thankless . . . Unholy War’: Army Officers and Civil-Military Relations in the Second Seminole War,” in David Dillard and Randal Hall, eds., The Southern Albatross: Race and Ethnicity in the South (Mercer University Press, 1999), 9-49.
“Knowledge, Interest, and the Limits of Military Professionalism: The Discourse on American Coastal Defense, 1815-1860,” War in History 5 (Fall 1998): 280-307.
“Army Officers Fight the ‘Patriot War’: Reactions to Filibustering on the Canadian Border, 1837-1839,” Journal of the Early Republic 18 (Fall 1998): 485-519.
“The Uncertain Road to Manifest Destiny: Army Officers and the Course of American Territorial Expansionism, 1815-1846,” in Sam W. Haynes and Christopher Morris, eds., Manifest Destiny and Empire: American Antebellum Expansionism (Texas A&M Press, 1997), 68-114.
“Manifest Destiny and Military Professionalism: Junior U.S. Army Officers’ Attitudes toward War with Mexico, 1844-1846,” Southwestern Historical Quarterly 99 (April 1996): 467-498.
“Flexible Gender Roles during the Market Revolution: Family, Friendship, Marriage, and Masculinity among U.S. Army Officers, 1815-1846," Journal of Social History 29 (Fall 1995): 81-106.