- Author: Richard Klein (Hrsg.)
- Language: German
- Year: 2016
- Author: Richard Klein
- Language: English
- Year: 1993
- Author: Virginia Benson, Richard Klein
- Language: English
- Year: 2014
- Author: Johanna Dombois Richard Klein
- Language: German
- Year: 2012
- Author: Richard Klein Johann Kreuzer Stefan Müller-Doohm
- Language: German
- Year: 2019
- Author: Richard Klein Johann Kreuzer Stefan Müller-Doohm (eds.)
- Language: German
- Year: 2011
Julian Apostata
pdf
- Author: Richard Klein
- Language: German
- Year: 1978