42. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing
49. Replication Data for: Education Policies and Systems across Modern History: A Global Dataset Bookmark Format Series - completed
50. Replication Data for: Financial Crises and the Selection and Survival of Women Finance Ministers Bookmark Format Single study
51. Sectoral coverage and prices of carbon pricing mechanisms introduced since 1990 Bookmark Format Single study
52. SIPRI's databases (Stockholm International Peace Research Institute) Bookmark Format Data archive or collection
55. Transition to agriculture and first state presence: A global analysis Bookmark Format Single study
58. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing