- Author: Richard Vaughan
- Year: 1992
- Author: Charles Richard Vaughan M.B.
- Language: English
- Year: 2013
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014
- Author: Richard Vaughan
- Language: Spanish
- Year: 2014