- Author: Ronald G. Douglas
- Language: English
- Year: 2016
- Author: Ronald Reagan, Douglas Brinkley
- Language: English
- Year: 2010
- Author: Ronald Reagan, Douglas Brinkley
- Language: English
- Year: 2010
- Author: Ronald Reagan Douglas Brinkley
- Language: English
- Year: 2010
- Author: Ronald Reagan Douglas Brinkley
- Language: English
- Year: 2010
- Author: Ronald G. Douglas
- Language: English
- Year: 1998
- Author: Reagan Ronald, Rossinow Douglas Charles
- Language: English
- Year: 2017
- Author: Ronald G. Douglas
- Language: English
- Year: 1980
- Author: Ronald G. Douglas
- Language: English
- Year: 1980