His scholarly interests include race and indigeneity, labor and youth movements, and the history of education and development. He is the author of "Indigenismo Occupied: Indigenous Youth and Mexico's Democratic Opening (1968–1975)," awarded the Antonine Tibesar Prize for Most Distinguished Article Published in The Americas (2016). Dr. Dillingham is completing a book manuscript, Insurgent Oaxaca: A History of Indigeneity, Development, and Inequality in the Twentieth Century, which examines the intersection of 1960s anticolonial politics and policies of indigenous development. Dr. Dillingham’s work has been supported by the Andrew W. Mellon Foundation and American Council of Learned Societies, the Inter-American Foundation, the National Academy of Education/Spencer Foundation, the National Endowment for the Humanities, and the Smithsonian Institution.