202. Transition to agriculture and first state presence: A global analysis Bookmark Format Single study
203. Transnational Social Movement Organization Dataset, 1953-2003 Bookmark Format Series - completed
206. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing
207. United States Citizenship, Involvement, Democracy (CID) Survey, 2006 Bookmark Format Single study
220. Women's International Nongovernmental Organizations, 1950-2013 Bookmark Format Series - completed