- Author: robert m. Grant
- Language: Chinese
- Year: 2009
- Author: Robert Edward Grant
- Language: English
- Year: 2023
- Author: Robert M. Grant
- Language: English
- Year: 1997
- Author: Robert J. Grant
- Language: English
- Year: 1994
- Author: Robert J. Grant
- Language: Spanish
- Year: 2007
- Author: Robert Jason Grant
- Language: English
- Year: 2022
- Author: Robert Edward Grant Talal Ghannam
- Language: English
- Year: 2021
- Author: Robert Edward Grant, Talal Ghannam
- Language: English
- Year: 2021
- Author: Robert Edward Grant, Talal Ghannam
- Language: English
- Year: 2021