- Author: Roberts Liardon
- Language: English
- Year: 1994
- Author: Tyler T. Roberts
- Language: English
- Year: 1998
- Author: Carlos W. Pratt Kenneth J. Gill Nora M. Barrett Melissa M. Roberts
- Language: English
- Year: 2007
- Author: Richard Roberts
- Language: English
- Year: 2003
- Author: Roberts Wicks
- Language: English
- Year: 2006
- Author: Brian Roberts
- Language: English
- Year: 1996
- Author: Richard N. Block Karen Roberts Ronald O. Clarke
- Language: English
- Year: 2004
- Author: Bruce Alberts Dennis Bray Karen Hopkin Alexander Johnson Julian Lewis Martin Raff Keith Roberts Peter Walter
- Language: English
- Year: 2004
- Author: Andrew Roberts
- Language: English
- Year: 2007
- Author: Robin Roberts
- Language: English
- Year: 2008