- Author: Marx Werner
- Language: German
- Year: 1986
- Author: Marx Werner
- Language: German
- Year: 1983
- Author: Marx Werner
- Language: German
- Year: 1980
- Author: Marx Werner
- Language: German
- Year: 1983
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1990
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1981