121. SIPRI's databases (Stockholm International Peace Research Institute) Bookmark Format Data archive or collection
122. State Fragility Index and Matrix, Time-Series Data, 1995-2018 Bookmark Format Series - completed
128. Transition to agriculture and first state presence: A global analysis Bookmark Format Single study
129. Transnational Social Movement Organization Dataset, 1953-2003 Bookmark Format Series - completed
135. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing