2. Illiberal Turn? News Consumption, Polarization and Democracy in Central and Eastern Europe, 2019-2020 Bookmark Format Series - completed
3. Nation-wide Longitudinal Survey Study on Voting Behavior in an Age of Political Change (JES IV SSJDA version), 2007-2011 Bookmark Format Series - completed
4. Nation-wide Longitudinal Survey Study on Voting Behavior in the Early 21st Century, 2001-2005 (JES III) Bookmark Format Series - completed