- Author: Bernard N. Schumacher (editor)
- Language: German
- Year: 2014
- Author: Bernard N. Schumacher (editor)
- Language: German
- Year: 2014
- Author: Bernard N. Schumacher (editor)
- Language: German
- Year: 2010
- Author: Bernard N. Schumacher
- Language: Spanish
- Year: 2018
- Author: Bernard N. Schumacher
- Language: English
- Year: 2009
- Author: Bernard N. Schumacher
- Language: English
- Year: 2010
- Author: Jorge J. E. Gracia Gregory M. Reichberg Bernard N. Schumacher
- Language: English
- Year: 2003