121. State Fragility Index and Matrix, Time-Series Data, 1995-2018 Bookmark Format Series - completed
126. Transition to agriculture and first state presence: A global analysis Bookmark Format Single study
127. Transnational Social Movement Organization Dataset, 1953-2003 Bookmark Format Series - completed
130. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing