- Author: Consani Cristina Foroni, Klein Joel T., Nour Sckell Soraya
- Language: English
- Year: 2021
- Author: Mises Ludwig, Klein Franz, Lederer Emil, Palyi Melchior, Diehl Karl, Somary Felix
- Language: German
- Year: 1923
- Author: Bohuš Klein, Vojtech Dangl
- Language: Slovak
- Year: 1995
- Author: Ansgar Sebastian Klein
- Language: German
- Year: 2020
- Author: Christoph Klein
- Language: German
- Year: 2004
- Author: Hans Klein
- Language: German
- Year: 2016
- Author: Christoph Klein
- Language: German
- Year: 2018
- Author: Ferdinand Klein, Armin Krenz
- Language: German
- Year: 2013
- Author: Hans Klein
- Language: German
- Year: 2005
- Author: Christian Klein, Frank Ertel, Ute Lohmann, Detlev Prößdorf
- Language: German
- Year: 2022