Sozialer Fortschritt, Vol. 65 (2016), Iss. 11 : pp. 266–274
Sozialer Fortschritt, Vol. 66 (2017), Iss. 12 : pp. 843–873
Sozialer Fortschritt, Vol. 70 (2021), Iss. 10–11 : pp. 603–613
