- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1984
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1978
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 2020
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 2002
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 2003
- Author: Karl Marx Friedrich Engels
- Language: German
- Year: 1984