- Author: Samuel Hahnemann
- Language: English
- Year: 2005
- Author: Samuel Hahnemann
- Language: English
- Year: 2005
- Author: Vernon Wethered
- Language: English
- Year: 1996
- Author: Alicia Lee
- Language: English
- Author: Anjum Rahmatulla
- Language: English
- Author: K.D. Kanodia
- Language: English
- Year: 2009
- Author: Amy Lansky
- Language: Arabic
- Year: 2003
- Author: Sandra Perko
- Language: English
- Year: 2008
- Author: Michael Münch
- Language: German
- Year: 2020