- Author: Peter Roberts (Author)
- Language: English
- Year: 2023
- Author: Andrew Roberts
- Language: English
- Author: Richard Senge Peter M., Kleiner Art, Smith Bryan, Roberts Charlotte, Ross
- Language: English
- Year: 1994
- Author: Mark Karlen Saglinda H. Roberts Kyra K. Tucker
- Language: English
- Author: Satinder K. Dhiman, Gary E. Roberts
- Language: English
- Author: Brown Roberts
- Language: English