- Author: Marx Karl, Sperber Jonathan
- Language: English
- Year: 2013
- Author: Marx Karl, Sperber Jonathan
- Language: English
- Year: 2013
- Author: Carver Terrell, Engels Friedrich
- Language: English
- Year: 2003
- Author: Bauer Leo, Schwelien Michael
- Language: German
- Year: 2015
Rosa Luxembourg
epub
- Author: Paul Frölich
- Language: English
- Year: 2010
- Author: Heinrich Michael, Marx Karl
- Language: English
- Year: 2019
- Author: Mattick Paul, Roth Gary
- Language: English
- Year: 2015
Karl Marx
pdf
- Author: Marx Karl, Thomas Paul, Marx Karl
- Language: English
- Year: 2012
- Author: Marx Karl, Marx Karl, Hosfeld Rolf
- Language: English, German
- Year: 2013
- Author: Sperber Jonathan, Marx Karl
- Language: English
- Year: 2013