- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1975
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1988
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1979
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1987
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 2014
- Author: Karl Marx Friedrich Engels
- Language: Spanish
- Year: 2019