- Author: Ulrich Knaack, Tillmann Klein, Marcel Bilow, Thomas Auer
- Language: English
- Year: 2010
- Author: Ulrich Knaack, Tillmann Klein, Marcel Bilow, Thomas Auer
- Language: English
- Year: 2014
- Author: Ulrich Knaack, Tillmann Klein, Marcel Bilow, Thomas Auer
- Language: German
- Year: 2014
- Author: Oliver Klein, Jörg Schlenger
- Language: English
- Year: 2008
- Author: Ulrich Knaack, Tillmann Klein, Marcel Bilow, Thomas Auer
- Language: German
- Year: 2007
- Author: Harriet E. Manelis Klein (editor), Louisa R. Stark (editor)
- Language: English
- Year: 2014
- Author: Amanda Ann Klein
- Language: English
- Year: 2011
- Author: Amanda Ann Klein (editor), R. Barton Palmer (editor)
- Language: English
- Year: 2016
- Author: John C. Abbott, Barrett Anthony Klein
- Language: English
- Year: 2011
- Author: Robert Klein
- Language: English
- Year: 1974