101. Sectoral coverage and prices of carbon pricing mechanisms introduced since 1990 Bookmark Format Single study
102. State Fragility Index and Matrix, Time-Series Data, 1995-2018 Bookmark Format Series - completed
106. Transition to agriculture and first state presence: A global analysis Bookmark Format Single study
109. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing