- Author: Robert Sydney Smith
- Language: English
- Year: 1976
- Author: Robert Sydney Smith
- Language: English
- Year: 1976
- Author: Kelly Robert DeVries Robert Douglas Smith
- Language: English
- Year: 2012
- Author: Neil A. Campbell Jane B. Reece Robert L. Smith Thomas M. Smith
- Language: German
- Year: 2010
- Author: Ann Dupuis Lynda Manning-Schwartz Robert E. Smith Liz Tornabene
- Language: English
- Year: 2000
- Author: Robert Murray-Smith
- Language: English
- Author: Robert C. Smith
- Language: English
- Year: 1997
- Author: Smith Robert Leo, Smith Thomas Michael
- Language: English
- Year: 2014
- Author: Robert Rowland Smith
- Language: Italian
- Year: 2011