- Author: Therborn G, ouml, ran
- Language: English
- Year: 2013
- Author: Heckman James J
- Language: English
- Year: 2017
- Author: Konzentration, Reiter Bernd
- Language: English
- Year: 2017
- Author: Bastei Lübbe AG, Yilmaz Suat
- Language: German
- Year: 2016
- Author: Landsman Julie
- Language: English
- Year: 2008
- Author: Friedrichs Julia
- Language: German
- Year: 2016
- Author: Dronkers Jaap
- Language: English
- Year: 2010
- Author: Edina Schneider (auth.)
- Language: German
- Year: 2018
- Author: Sarah Meyer (auth.)
- Language: German
- Year: 2018