- Author: Clara Zetkin
- Language: Portuguese
- Author: Clara Zetkin
- Language: Spanish
- Author: Clara Zetkin
- Language: English
- Author: Clara Zetkin
- Language: English
- Author: Clara Zetkin
- Language: French
- Year: 2021
- Author: Rosa Luxemburgo & Clara Zetkin
- Language: Spanish
- Year: 2019
- Author: Clara Zetkin
- Language: Czech
- Year: 1961
- Author: Rosa Luxemburgo & Clara Zetkin
- Language: Spanish
- Year: 2019
- Author: Clara Zetkin
- Language: English
- Year: 2017
- Author: Clara Zetkin
- Language: Spanish
- Year: 2019