- Author: Robert B. Smith (auth.)
- Language: English
- Year: 2016
- Author: Robert Rowland Smith
- Language: Romanian
- Year: 2013
- Author: Kelly Robert DeVries Robert Douglas Smith
- Language: English
- Year: 2012
- Author: Kelly Robert DeVries Robert Douglas Smith
- Language: English
- Year: 2012
- Author: Pritchard Robert D., Smith Stacey
- Language: English
- Year: 2015
- Author: Robert L. Smith
- Language: English
- Year: 2015
- Author: Robert Mcclure Smith Ellen Weinauer (eds.)
- Language: English
- Year: 2014
- Author: Robert T Smith Roland B Minton
- Language: English
- Year: 2011
- Author: Robert D. Smith Kelly DeVries
- Language: English
- Year: 2007
- Author: Robert E. Smith
- Language: English
- Year: 2014