- Author: Stefan Fröhlich
- Language: German
- Year: 2019
- Author: Stefan Fröhlich Howard Loewen (eds.)
- Language: English
- Year: 2018
- Author: Stefan Fröhlich (auth.)
- Language: German
- Year: 2014
- Author: Klaus Brummer Stefan Fröhlich (auth.) Klaus Brummer Stefan Fröhlich (eds.)
- Language: German
- Year: 2011
- Author: Stefan Fröhlich (auth.)
- Language: German
- Year: 2008
- Author: Stefan Fröhlich (auth.)
- Language: German
- Year: 1990