- Author: Serena Anderlini-D'Onofrio Fritz Klein (editor)
- Language: English
- Year: 2005
- Author: Oswald Wolkenstein (editor), Karl Kurt Klein (editor), Walter Salmen (editor), Walter Weiß (editor), Notburga Wolf (editor)
- Language: German
- Year: 1962
- Author: Oswald von Wolkenstein (editor), Karl Kurt Klein (editor), Burghart Wachinger (editor)
- Language: German
- Year: 2015
- Author: Janos Fischer (editor) Christian Klein (editor) Wayne E. Childers (editor)
- Language: English
- Year: 2021
- Author: Natalie Klein (editor)
- Language: English
- Year: 2022
- Author: Jared S. Klein (editor)
- Language: English
- Year: 2006
- Author: Renate Klein (editor) Susan Hawthorne PhD (editor)
- Language: English
- Year: 2021
