- Author: Pope Francis, Papst Franziskus
- Language: English
- Year: 2013
- Author: Papst Benedikt XVI., Papst Franziskus, Hesemann Michael
- Language: German
- Year: 2013
- Author: Erbacher Jürgen, Papst Franziskus
- Language: German
- Year: 2014
- Author: Colonna Marcantonio, Papst Franziskus
- Language: English
- Year: 2018