82. OECD-UNSD Multinational Enterprise Information Platform Bookmark Format Data archive or collection
84. Oxford Supertracker The Global Directory for COVID Policy Trackers and Surveys Bookmark Format Data archive or collection
88. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing
90. Pre-Vaccine Era COVID-19 Infection Fatality Ratio Estimates by Age, Time, and Location 2020-2021 Bookmark Format Single study