- “Indian Polities, Empire, and Nineteenth-Century American Foreign Relations” forthcoming in Diplomatic History
- “Watson and the Shark,” chapter in Brooke Blower and Mark Philip Bradley, eds., The Familiar Made Strange: American Icons and Artifacts after the Transnational Turn, Cornell University Press, 2015
- “Blood Talk: Violence and Belonging in the Navajo-New Mexican Borderland,” in Juliana Barr and Edward Countryman, eds., Contested Spaces of Early America, University of Pennsylvania Press, 2014
- Editor, North American Borderlands. Routledge, 2012.
- War of a Thousand Deserts: Indian Raids and the U.S.-Mexican War. New Haven: Yale University Press, 2008 [paperback, 2009].
- “Independent Indians and the U.S.-Mexican War,” American Historical Review 112 (Feb., 2007), 35-68.
- “The Wider World of the Handsome Man: Southern Plains Indians Invade Mexico, 1830-1846,” Journal of the Early Republic27 (March, 2007), 83-113
- "How Not to Arm a State: American Guns and the Crisis Of Governance In Mexico, Nineteenth and Twenty-First Centuries" [24th Annual W.P. Whitsett Lecture], Southern California Quarterly 95:1 (Spring 2013), pp. 5-23.
- “Oportunismo, ansiedad, idealismo: los impulsos Estadunidenses durante la intervención Francesa en México,” in Jean Meyer, ed., Memorias del Simposio Internacional 5 de Mayo, El Colegio de Puebla, 2013, pp 269-288.
- Co-author with James West Davidson, William E. Gienapp, Christine Leigh Heyrman, Mark H. Lytle, and Michael B. Stoff, Experience History: Interpreting America’s Past [Formerly Nation of Nations: A Narrative History of the American Republic], McGraw-Hill (2013). *Concise Edition: US/A Narrative History (2014).
- “Comanches in the Cast: Remembering Mexico’s ‘Eminently National War,’” in Charles Faulhaber, ed., The Bancroft Library at 150: A Sesquicentennial Symposium, Berkeley: University of California Press, 2011.
- “How Indians Shaped the Era of the U.S.-Mexican War,” abbreviated version of Independent Indians and the U.S.-Mexican War,” in Pekka Hämäläinen and Benjamin H. Johnson, eds., Major Problems in the History of North American Borderlands, Wadsworth, 2011.
- Response to Daniel Walker Howe, Andrés Reséndez, Ned Blackhawk, and Leonard Sadosky’s essays in H-SHEAR roundtable on War of a Thousand Deserts, November 2010.
- Top Young Historian essay, Historians News Network, October 2010.
- “Forgotten Foes,” Berkeley Review of Latin American Studies (Fall 2010), 14-19.
- “James Madison and the Scolds,” Review of J. C. A. Stagg, Borderlines in the Borderlands: James Madison and the Spanish American Frontier, 1776-1821, Passport 40:3 (January 2010).
- “Why Mexico Fought,” review of Timothy J. Henderson, A Glorious Defeat: Mexico and its War with the United States, Diplomatic History33:1 (January 2010).
- “19th Century Lessons for Today’s Drug War Policies,” The Chronicle Review, Tuesday, July 28, 2009,
- “It’s Time We Remembered the Role of Indians in the U.S.-Mexican War,” History News Network, 3/9/2009
- “War of a Thousand Deserts,” on The Page 99 Test,
- “Navajo,” “Popé,” and “Pueblo Indians,” in Billy G. Smith, ed.Colonization and Settlement (1585-1763), Volume 2 in the 10-volume Facts on File Encyclopedia of American History (2003)
- “Narrative Style and Indian Actors in the Seven Years’ War,” Common-Place: The Interactive Journal of Early American History, 1 (1), September 2000.
Work in Progress
- “Shoot the State: Arms, Capitalism, and Freedom in the Americas before Gun Control,” book project under contract with W.W. Norton.