Shachar, Ayelet Ethics, Law and Politics, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
https://global.oup.com/academic/product/the-oxford-handbook-of-citizenship-9780198805854?cc=de&lang=en& (Supplementary material)
Shachar, A., Bauböck, R., Bloemraad, I., & Vink, M. (Eds.). (2017). The Oxford handbook of citizenship. Oxford: Oxford University Press. doi:10.1093/oxfordhb/9780198805854.001.0001.