He specializes on humanitarian interventions in the era of the First World War. Little earned a Ph.D. in history from the University of California, Berkeley (2009). Foremost among his relevant publications is “An Explosion of New Endeavours: Global Humanitarian Responses to Industrialized Warfare in the First World War Era,” in First World War Studies (2014). He has published four articles in 1914-1818-online, and essays on the Junior Red Cross, the American evacuation of Europe in 1914, and Belgian relief networks. He also edited a special issue of First World War Studies titled “Humanitarianism in the Era of the First World War” (2014).