Wzbaktiv
Kanol, Eylem/Knoesel, Johanna (2021): "Right-Wing Extremist Mobilization in Germany". WZB, online: https://dx.doi.org/10.7802/2256. (veröffentlicht).
Kanol, Eylem/Koopmans, Ruud/Stolle, Dietlind (2020): "Religious Fundamentalism and Radicalization Survey". 1.0.0. WZB, online: https://dx.doi.org/10.7802/2104. (veröffentlicht).

Michalowski, Ines; Behrendt, Max (2020): Bodyrules - Swimming Pool Survey. Version 1.0.0. Wissenschaftszentrum Berlin für Sozialforschung, 
https://doi.org/10.7802/1.2007.

Marc Helbling, Liv Bjerre, Friederike Römer and Malisa Zobel (2017): “Measuring Immigration Policies: The IMPIC Database”, http://www.impic-project.eu/data/