- Author: Cyril of Alexandria, Robert Payne Smith
- Language: English
- Year: 2010
- Author: Robert Payne Smith
- Language: English
- Year: 2007
- Author: Robert C. Smith
- Language: English
- Year: 2020
- Author: Robert Leo Smith
- Language: English
- Year: 1996
- Author: Robert H Smith
- Language: English
- Year: 1983
- Author: Col. Robert Barr Smith, Laurence J. Yadon
- Language: English
- Year: 2016
- Author: Robert F. Smith
- Language: English
- Year: 2016
- Author: Col. Robert Barr Smith
- Language: English
- Year: 2015
- Author: Robert Lawrence Smith
- Language: English
- Year: 2013
- Author: Robert Rowland Smith
- Language: English
- Year: 2011