72. Minding the Gaps: Solidaristic Transfers and Burden-Sharing in the European Union and its Member States’ Pandemic Response Bookmark Format Single study
75. OECD-UNSD Multinational Enterprise Information Platform Bookmark Format Data archive or collection
76. Oxford Supertracker The Global Directory for COVID Policy Trackers and Surveys Bookmark Format Data archive or collection
79. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing